-
5.28ct Portuguese Cut Hexagon Diamond F VVS2 Excellent
Regular price $12,900.00 AUDRegular priceUnit price perPortuguese Cut Rare Diamond Collection 5.28ct Portuguese Cut Hexagon Diamond F VVS2
A rare 5.28 carat Portuguese Cut Hexagon Diamond featuring exceptional F colour, VVS2 clarity and intricate speciality faceting. A statement geometric diamond created for bespoke luxury jewellery.
5.28ct Portuguese Hexagon Diamond — Architectural Beauty Meets Rare Faceting
This extraordinary 5.28ct Portuguese Cut Hexagon Diamond represents the meeting point between modern geometric design and advanced diamond craftsmanship. Featuring a distinctive six-sided silhouette and intricate Portuguese-inspired faceting, this diamond creates a rare visual experience unlike traditional diamond shapes.
The F colour grade places this diamond within the premium colourless range, offering exceptional brightness and a refined icy appearance. Combined with VVS2 clarity, the diamond displays remarkable purity with inclusions that are extremely difficult to detect under professional magnification.
The Portuguese cutting style introduces additional complexity to the diamond's internal structure, creating layers of reflection, depth and movement as light travels through the stone. Rather than relying only on traditional brilliance, this speciality cut creates a more artistic and multidimensional sparkle pattern.
Diamond Specifications
Carat Weight
5.28 Carats
Diamond Shape
Hexagon Cut
Cut Style
Portuguese Speciality Faceting
Colour Grade
F — Colourless
Clarity Grade
VVS2 — Very Very Slightly Included
Polish
Excellent
Symmetry
Excellent
Fluorescence
None
Why Choose a Portuguese Cut Hexagon Diamond?
Hexagon diamonds represent one of the most distinctive geometric diamond silhouettes, offering a modern alternative to traditional round, oval and cushion shapes. Their six-sided structure creates a bold architectural presence while maintaining refined elegance.
When combined with Portuguese faceting, the hexagon shape gains additional visual complexity. The intricate facet arrangement creates a captivating pattern of reflections, giving the diamond movement and personality from every angle.
At 5.28 carats, this diamond offers exceptional presence, making it an ideal centre stone for a luxury bespoke engagement ring, statement piece or collector-inspired jewellery design.
Bespoke Engagement Ring Design Possibilities
A Portuguese Hexagon Diamond creates an opportunity for a truly individual engagement ring design. Its geometric outline works beautifully with contemporary settings while allowing endless creative possibilities.
Minimalist Solitaire: Allows the unique hexagonal silhouette and intricate faceting to remain the focus.
East-West Setting: Creates a modern horizontal design with strong architectural appeal.
Bezel Setting: Enhances the geometric outline while providing a sleek contemporary aesthetic.
Custom Three-Stone Design: Pairs beautifully with trapezoids, half moons or baguette side diamonds.
Diamond Concierge & Custom Design
A rare speciality diamond deserves a setting created specifically around its proportions and personality. Through AG & CO Jewellery's bespoke design process, this Portuguese Hexagon Diamond can be transformed into a completely unique engagement ring.
Our Diamond Concierge team can guide you through setting styles, metal choices, accent diamonds and custom CAD previews to create a finished piece designed around your vision.
Please NotePortuguese cut diamonds are speciality diamonds with individual facet patterns and optical characteristics. Each stone should be assessed according to its own proportions, symmetry and visual performance.
5.28ct Portuguese Hexagon Diamond Australia
Discover this exceptional 5.28ct Portuguese Cut Hexagon Diamond featuring F colour, VVS2 clarity, excellent polish and symmetry. A rare geometric speciality diamond designed for bespoke luxury engagement rings.
Portuguese Hexagon Diamond Engagement Rings
Portuguese hexagon diamonds combine architectural geometry with intricate speciality faceting, creating a unique alternative to traditional diamond cuts.
Rare Portuguese Cut Diamonds Australia
Explore AG & CO Jewellery's collection of rare Portuguese cut diamonds including hexagon, oval, cushion, pear, radiant and other speciality diamond shapes selected for bespoke jewellery.
-
4.38ct Portuguese Cut Cushion Diamond E VVS2 Excellent
Regular price $10,900.00 AUDRegular priceUnit price perRare Portuguese Cut Diamond Collection 4.38ct Portuguese Cut Cushion Diamond E VVS2
A remarkable 4.38 carat Portuguese Cut Cushion Diamond displaying exceptional E colour, VVS2 clarity and extraordinary speciality faceting. A rare diamond designed for collectors and bespoke engagement ring creations.
4.38ct Portuguese Cushion Diamond — Exceptional Brilliance and Rare Craftsmanship
This extraordinary 4.38ct Portuguese Cut Cushion Diamond represents the intersection of advanced diamond cutting and timeless elegance. Featuring a sophisticated cushion silhouette combined with an intricate Portuguese-inspired facet arrangement, this diamond creates a captivating display of depth, movement and brilliance.
The E colour grade places this diamond within the premium colourless category, offering exceptional brightness and a beautifully icy appearance. Combined with VVS2 clarity, the diamond presents remarkable purity with inclusions that are extremely difficult to locate even under professional magnification.
Unlike conventional cushion diamonds, Portuguese-cut cushions are valued for their complex optical character. The detailed faceting creates multiple layers of reflection, producing a distinctive sparkle pattern that changes beautifully as the diamond moves.
Diamond Specifications
Carat Weight
4.38 Carats
Diamond Shape
Portuguese Cushion Cut
Colour Grade
E — Exceptional Colourless
Clarity Grade
VVS2 — Very Very Slightly Included
Cut Style
Portuguese Inspired Speciality Faceting
Polish
Excellent
Symmetry
Excellent
Fluorescence
None
Why Choose a Portuguese Cut Cushion Diamond?
Portuguese cushion diamonds are created for those seeking something beyond traditional diamond cutting. Their intricate facet architecture produces a richer, more detailed visual experience compared with conventional cushion brilliant diamonds.
The cushion shape offers a romantic balance of softened corners and substantial face-up presence, while Portuguese faceting adds a unique internal pattern of reflections.
At 4.38 carats, this diamond offers exceptional visual impact, making it an ideal centre stone for a luxury bespoke engagement ring, statement ring or collector-quality jewellery piece.
Ideal Engagement Ring Designs
This Portuguese Cushion Diamond is perfectly suited to a variety of luxury settings including:
Classic Solitaire: Allows the unique faceting and impressive size of the diamond to remain the complete focus.
Hidden Halo: Adds subtle additional brilliance while preserving a refined, elegant profile.
Three-Stone Design: Creates a sophisticated composition with tapered baguettes, half moons or complementary diamonds.
Bespoke Custom Setting: Designed specifically around the proportions and personality of this rare centre stone.
Diamond Concierge & Bespoke Design
A diamond of this rarity deserves a setting designed specifically around it. Through our bespoke jewellery process, AG & CO Jewellery can create a custom engagement ring using detailed CAD design previews, personalised consultations and expert craftsmanship.
Our Diamond Concierge team can guide you through setting styles, precious metals, accent diamonds and design details to ensure this Portuguese Cushion Diamond becomes a truly unique piece.
Please NotePortuguese cut diamonds are speciality diamonds with individual facet patterns and optical characteristics. Each stone should be assessed based on its own proportions, symmetry and visual performance.
4.38ct Portuguese Cushion Diamond Australia
Discover this exceptional 4.38 carat Portuguese Cut Cushion Diamond featuring E colour, VVS2 clarity and excellent polish and symmetry. A rare speciality diamond ideal for bespoke luxury engagement rings.
Portuguese Cut Cushion Diamond Engagement Rings
Portuguese cushion diamonds combine romantic cushion proportions with intricate speciality faceting, creating a distinctive alternative to traditional cushion brilliant diamonds.
Large Cushion Diamond Engagement Rings Australia
A 4.38ct cushion diamond creates exceptional presence and allows couples to design a statement engagement ring with timeless elegance and individuality.
-
2.01 Carat H-VS1 Cushion Cut Diamond
Regular price $25,291.00 AUDRegular priceUnit price per$25,291.00 AUDSale price $25,291.00 AUDID: 6a7ef92bdc571fa3a40551e6
Vendor Name: Nivoda
Stock Number: B11B37D89
Lab Report Number: 6542813500
Added on 15 August 2026 by Ring Builder App -
0.52 Carat Emerald Cut Green Emerald
Regular price $343.00 AUDRegular priceUnit price per$343.00 AUDSale price $343.00 AUDID: 6a523a53483f22b0b50919b0
Vendor Name: Nivoda
Stock Number: EEE4B334F
Lab Report Number: EEE4B334F
Added on 13 August 2026 by Ring Builder App -
0.57 Carat G-VS1 Radiant Lab Diamond
Regular price $842.00 AUDRegular priceUnit price per$842.00 AUDSale price $842.00 AUDID: 6a7393d5a0b0a5797303671f
Vendor Name: Nivoda
Stock Number: B06BFAE5A
Lab Report Number: LG532260761
Added on 12 August 2026 by Ring Builder App -
1.51 Carat E-VVS2 Radiant Lab Diamond
Regular price $1,188.00 AUDRegular priceUnit price per$1,188.00 AUDSale price $1,188.00 AUDID: 6a7393d8a0b0a5797303a9ae
Vendor Name: Nivoda
Stock Number: 29630F37E
Lab Report Number: LG788669663
Added on 12 August 2026 by Ring Builder App -
3.04 Carat Portuguese Oval GIA Certified Lab Grown Diamond
Regular price $6,298.00 AUDRegular priceUnit price per3.04 Carat Portuguese Oval GIA Certified Lab Grown Diamond
A remarkable 3.04 carat oval lab-grown diamond showcasing intricate Portuguese-style faceting. Its detailed facet arrangement creates a captivating mosaic of brilliance, fire and movement, giving the diamond exceptional visual depth from every angle.
The graceful elongated silhouette provides impressive presence while retaining an elegant, refined appearance. Accompanied by a GIA grading report, this loose diamond is an exceptional centre stone for a bespoke engagement ring or one-of-a-kind fine jewellery design.
Diamond Details
- Carat Weight: 3.04 carats
- Shape: Oval
- Cut Style: Portuguese Cut
- Diamond Type: Lab-Grown Diamond
- Certification: GIA
- Product Type: Loose Diamond
-
Sage Emerald Tourmaline & Half-Moon Diamond Ring
Regular price From $8,200.00 AUDRegular priceUnit price perSage Emerald Tourmaline & Half-Moon Diamond Ring
A distinctive made-to-order design defined by its emerald-cut three-stone ring with split pavé shoulders. Carefully balanced proportions and considered stone placement give the ring a refined, contemporary presence while preserving the individuality of the supplied design.
Design Details
- Ring style: emerald-cut three-stone ring with split pavé shoulders
- Centre stone: sage-green emerald-cut tourmaline, approximately 3.00ct
- Accent stones: two half-moon white diamonds and round pavé diamonds, approximately 1.30ct total
- Setting: four-claw centre and side stones with split pavé shank
- Metal options: 10K gold, 14K gold, 18K gold or platinum
Stone identities, quantities and carat weights are visual estimates from the supplied design render only. Gemstone origin, natural or laboratory-grown status, treatment, colour, clarity, measurements, certification and exact weights must be confirmed before production.
Bespoke Design
This design is made to order by AG & CO. Gold colour, ring size and final stone selection will be confirmed during your consultation. Indicative prices are in AUD and include GST; the final quote is confirmed once all specifications and current stone availability are approved.
Platinum -
Ribbon Pink Lab-Grown Diamond Oval Bypass Halo Engagement Ring
Regular price From $7,998.00 AUDRegular priceUnit price perLab-Grown Coloured Diamond Collection Ribbon Pink Lab-Grown Diamond Oval Bypass Halo Engagement Ring
A graceful expression of colour and movement, featuring a captivating pink oval lab-grown diamond framed by a flowing bypass ribbon design with pavé diamond detailing.
Ribbon Pink Diamond Ring — Sculptural Elegance With Romantic Movement
The Ribbon Pink Diamond Ring transforms classic elegance into a contemporary statement through its fluid bypass silhouette and captivating oval pink diamond centre stone. Designed with sweeping pavé ribbons, this ring creates a graceful sense of movement while enhancing the brilliance and presence of the centre gemstone.
The soft blush tones of the pink oval diamond are beautifully complemented by the surrounding white diamond halo and flowing pavé accents. The opposing ribbon bands create a balanced composition that feels feminine, refined and effortlessly luxurious.
Handcrafted to order by AG & CO Jewellery, the Ribbon ring is designed for those seeking a distinctive coloured diamond piece with exceptional craftsmanship and a modern romantic aesthetic.
Pink Oval Diamond Bypass Design
The oval diamond is celebrated for its elegant proportions, elongated silhouette and ability to create a flattering presence on the hand. When paired with a pink diamond centre, the oval shape enhances the gemstone’s softness and romantic character.
The sculptural bypass setting creates a continuous flow around the centre stone, with pavé diamond ribbons adding brilliance, texture and a luxurious finishing detail.
Product Details
Product
Ribbon Pink Lab-Grown Diamond Oval Bypass Halo Engagement Ring
Centre Diamond
Approx. 1.50ct Pink Oval Lab-Grown Diamond
Accent Diamonds
Approx. 0.50ct Total Round Brilliant White Diamond Accents
Setting Style
Sculptural Oval Bypass Setting with Sweeping Pavé Ribbons
Halo Design
Diamond Halo Surrounding Pink Oval Centre Stone
Metal Options
10K Gold, 14K Gold, 18K Gold & Platinum
Estimated Price
From $8,990 AUD
Craftsmanship
Made to Order by AG & CO Jewellery
Please NoteDiamond size, colour, clarity, certification and metal selection can be fully customised. Final pricing is confirmed after gemstone specifications and production requirements are approved.
Platinum -
Imperial Pink Asscher Three-Stone Diamond Ring
Regular price From $12,900.00 AUDRegular priceUnit price perImperial Pink Asscher Three-Stone Diamond Ring
A distinctive made-to-order design defined by its square three-stone ring with pavé shoulders. Carefully balanced proportions and considered stone placement give the ring a refined, contemporary presence while preserving the individuality of the supplied design.
Design Details
- Ring style: square three-stone ring with pavé shoulders
- Centre stone: Natural Pink square emerald or Asscher-cut sapphire, approximately 2.50ct
- Accent stones: two emerald-cut white diamonds and round pavé diamonds, approximately 1.10ct total
- Setting: contrasting warm-metal centre claws with white-metal side settings
- Metal options: 10K gold, 14K gold, 18K gold or platinum
Stone identities, quantities and carat weights are visual estimates from the supplied design render only. Gemstone origin, natural or laboratory-grown status, treatment, colour, clarity, measurements, certification and exact weights must be confirmed before production.
Platinum -
Celestine East-West Pink Marquise Baguette Ring
Regular price From $7,200.00 AUDRegular priceUnit price perCelestine East-West Pink Marquise Baguette Ring
A distinctive made-to-order design defined by its east-west marquise ring with channel-set geometric shoulders. Carefully balanced proportions and considered stone placement give the ring a refined, contemporary presence while preserving the individuality of the supplied design.
Design Details
- Ring style: east-west marquise ring with channel-set geometric shoulders
- Centre stone: pink marquise-cut sapphire, approximately 2.00ct
- Accent stones: graduated baguette-cut white diamonds, approximately 0.60ct total
- Setting: mixed-tone multi-prong centre with channel-set baguette band
- Metal options: 10K gold, 14K gold, 18K gold or platinum
Stone identities, quantities and carat weights are visual estimates from the supplied design render only. Gemstone origin, natural or laboratory-grown status, treatment, colour, clarity, measurements, certification and exact weights must be confirmed before production.
Platinum -
Blossom Pink Oval & Blue Pear Ring
Regular price From $12,989.00 AUDRegular priceUnit price perBlossom Pink Oval & Blue Pear Ring
A distinctive made-to-order design defined by its two-tone oval three-stone ring with leaf-detail shoulders. Carefully balanced proportions and considered stone placement give the ring a refined, contemporary presence while preserving the individuality of the supplied design.
Design Details
- Ring style: two-tone oval three-stone ring with leaf-detail shoulders
- Centre stone: pink oval-cut sapphire, approximately 2.50ct
- Accent stones: two pale blue pear-cut gemstones and fine round diamonds, approximately 0.60ct total
- Setting: six-claw centre and claw-set side stones with engraved pavé leaves
- Metal options: 10K gold, 14K gold, 18K gold or platinum
Stone identities, quantities and carat weights are visual estimates from the supplied design render only. Gemstone origin, natural or laboratory-grown status, treatment, colour, clarity, measurements, certification and exact weights must be confirmed before production.
Platinum -
Camellia Pink Cushion & Mother-of-Pearl Ring
Regular price From $9,998.00 AUDRegular priceUnit price perCamellia Pink Cushion & Mother-of-Pearl Ring
A distinctive made-to-order design defined by its quatrefoil cocktail ring with luminous inlay. Carefully balanced proportions and considered stone placement give the ring a refined, contemporary presence while preserving the individuality of the supplied design.
Design Details
- Ring style: quatrefoil cocktail ring with luminous inlay
- Centre stone: pink cushion-cut sapphire, approximately 1.50ct
- Accent stones: mother-of-pearl quatrefoil inlay and two small shoulder diamonds, approximately 0.06ct total
- Setting: scalloped warm-metal bezel with contrasting polished band
- Metal options: 10K gold, 14K gold, 18K gold or platinum
Stone identities, quantities and carat weights are visual estimates from the supplied design render only. Gemstone origin, natural or laboratory-grown status, treatment, colour, clarity, measurements, certification and exact weights must be confirmed before production.
Platinum -
Magnolia Pink Diamond Cushion Double Halo Ring
Regular price From $9,998.00 AUDRegular priceUnit price perLab-Grown Coloured Diamond Collection Magnolia Pink Lab-Grown Diamond Cushion Double Halo Engagement Ring
A captivating expression of modern romance, featuring a vibrant pink cushion-cut lab-grown diamond centre surrounded by a refined double halo of pink and colourless diamond accents.
Magnolia Pink Diamond Ring — A Modern Bloom of Luxury
The Magnolia engagement ring celebrates the beauty of colour, brilliance and contemporary craftsmanship through a striking cushion-cut pink lab-grown diamond centre. Designed with carefully balanced proportions, the ring creates a sophisticated statement while maintaining an elegant and refined presence.
The double halo design enhances the centre diamond with layers of pink and white diamond accents, creating depth, dimension and exceptional sparkle from every angle. The combination of soft blush tones and brilliant diamonds gives Magnolia a romantic floral-inspired character.
Crafted as a made-to-order design, Magnolia allows complete personalisation of gemstone selection, metal choice and ring size. Each piece is individually created to reflect your unique style and story.
Cushion Cut Pink Lab-Grown Diamond Design
The cushion cut is admired for its soft rounded corners, elegant proportions and ability to display exceptional fire. Paired with a pink lab-grown diamond centre, this timeless shape offers a distinctive alternative to traditional colourless diamond engagement rings.
The Magnolia design highlights the centre stone through a carefully engineered double halo setting, creating a luxurious silhouette with enhanced visual presence.
Bespoke Double Halo Setting
The concentric double halo creates a luxurious frame around the centre diamond, enhancing its size and brilliance while adding a sophisticated layered effect. The pavé detailing is carefully arranged to complement the pink diamond centre and create seamless light reflection.
Designed for clients seeking a distinctive coloured diamond engagement ring, Magnolia combines contemporary elegance with timeless craftsmanship.
Product Details
Product
Magnolia Pink Lab-Grown Diamond Cushion Double Halo Engagement Ring
Design Style
Cushion Centre Diamond with Pink & White Double Halo
Centre Diamond
Approximately 2.00ct Pink Lab-Grown Cushion Cut Diamond
Accent Diamonds
Approximately 1.00ct Total Pink & Colourless Diamond Halo Accents
Setting Style
Four Claw Centre Setting with Concentric Pavé Double Halo
Band Style
Pavé Diamond Band
Metal Options
14K Gold, 18K Gold & Platinum
Craftsmanship
Made to Order by AG & CO Jewellery
Please NoteThis design is made to order and includes the ring setting and your choice of gemstone. During your consultation, you will be able to select from a range of pink shades. Final diamond specifications—including colour, clarity, measurements, certification and exact carat weight—will be confirmed before production begins.
Platinum -
Riviera Champagne & White Diamond Eternity Band
Regular price From $6,900.00 AUDRegular priceUnit price perRiviera Champagne & White Diamond Eternity Band
A distinctive made-to-order design defined by its wide three-row coloured and white diamond band. Carefully balanced proportions and considered stone placement give the ring a refined, contemporary presence while preserving the individuality of the supplied design.
Design Details
- Ring style: wide three-row coloured and white diamond band
- Centre stone: round champagne gemstones across the centre row, approximately 1.20ct total
- Accent stones: two rows of round white diamonds, approximately 0.50ct total
- Setting: shared-claw channel composition with polished borders
- Metal options: 10K gold, 14K gold, 18K gold or platinum
Stone identities, quantities and carat weights are visual estimates from the supplied design render only. Gemstone origin, natural or laboratory-grown status, treatment, colour, clarity, measurements, certification and exact weights must be confirmed before production.
Bespoke Design
This design is made to order by AG & CO. Gold colour, ring size and final stone selection will be confirmed during your consultation. Indicative prices are in AUD and include GST; the final quote is confirmed once all specifications and current stone availability are approved.
Platinum -
Honeybee Smoky Pear Diamond Ring
Regular price From $7,900.00 AUDRegular priceUnit price perNatural Coloured Diamond Collection Honeybee Natural Champagne Brown Diamond Pear Ring
A distinctive nature-inspired jewel featuring a warm champagne brown pear diamond centre stone with pavé diamond wings, creating a refined statement of individuality and luxury craftsmanship.
Honeybee Diamond Ring — A Unique Expression of Nature & Elegance
The Honeybee ring transforms the beauty of nature into a refined jewellery statement. Featuring a pear-cut natural champagne brown diamond as the centrepiece, the design is enhanced by delicate diamond wings that create movement, brilliance and a distinctive sculptural silhouette.
The warm tones of the champagne brown diamond contrast beautifully with the sparkle of the pavé diamond details, creating a piece that feels playful, elegant and completely unique.
Handcrafted to order by AG & CO Jewellery, the Honeybee ring is designed for those seeking a rare coloured diamond piece with individuality and timeless appeal.
Product Details
Product
Honeybee Natural Champagne Brown Diamond Pear Ring
Centre Stone
Approx. 1.20ct Natural Champagne Brown Pear Diamond
Accent Diamonds
Approx. 0.35ct Round Brilliant Diamond Wing Accents
Setting Style
Claw Set Diamond Body with Pavé Wing Panels
Metal Options
10K Gold, 14K Gold, 18K Gold & Platinum
Craftsmanship
Made to Order by AG & CO Jewellery
Please NoteStone identities, quantities, colours, treatments, certification and exact carat weights are confirmed during consultation before production.
Platinum -
Dune East-West Diamond Emerald Signet Ring
Regular price From $12,990.00 AUDRegular priceUnit price perNatural Coloured Diamond Collection Dune Natural Brown Diamond Emerald Cut East-West Signet Ring
A refined contemporary signet ring featuring a natural brown emerald cut diamond set in an elegant east-west orientation, combining architectural design with understated luxury.
Dune Brown Diamond Signet Ring — Modern Luxury With Architectural Elegance
The Dune signet ring reimagines classic jewellery through a modern luxury lens, featuring a striking natural brown emerald cut diamond embraced by a bold tapered silhouette. The east-west orientation creates a distinctive profile while highlighting the unique character and warmth of the coloured diamond.
The low-profile bezel setting provides a refined contemporary finish, allowing the natural brown diamond to remain the focus while offering a sleek and durable design. Subtle engraved shoulder details add a touch of craftsmanship and individuality to the streamlined form.
Handcrafted to order, the Dune ring is designed for those who appreciate rare coloured diamonds, architectural proportions and timeless jewellery with a distinctive modern identity.
Natural Brown Emerald Cut Diamond Design
Natural brown diamonds are admired for their rich earthy tones, individuality and exceptional character. The emerald cut enhances the depth and sophistication of the diamond, creating a refined statement piece with a contemporary aesthetic.
The east-west setting gives the traditional signet silhouette a modern interpretation, creating a versatile design suitable for everyday luxury or as a distinctive collector's piece.
Product Details
Product
Dune Natural Brown Diamond Emerald Cut East-West Signet Ring
Centre Stone
Approx. 2.50ct Natural Brown Emerald Cut Diamond
Diamond Type
Natural Coloured Diamond
Setting Style
East-West Full Bezel Signet Setting
Accent Stones
No Additional Accent Stones
Band Style
Wide Tapered Signet Profile
Metal Options
10K Gold, 14K Gold, 18K Gold & Platinum
Estimated Price
From $11,990 AUD
Craftsmanship
Made to Order by AG & CO Jewellery
Please NoteStone identity, colour, clarity, measurements, certification and exact carat weight are confirmed during consultation before production. Natural coloured diamonds are unique, with each stone displaying its own individual character.
Natural Brown Diamond Signet Rings Australia
Natural brown diamond signet rings offer a refined alternative to traditional diamond jewellery, combining distinctive colour, exceptional character and modern luxury design. The Dune signet ring showcases a rare brown emerald cut diamond in a sophisticated east-west setting.
East-West Emerald Cut Diamond Rings
East-west diamond rings create a contemporary interpretation of classic diamond designs by placing elongated gemstones horizontally across the finger. This orientation enhances the visual width and creates a bold yet elegant jewellery statement.
Luxury Coloured Diamond Jewellery
AG & CO Jewellery specialises in bespoke coloured diamond creations, combining rare gemstones with innovative craftsmanship to create timeless pieces designed around individuality and personal style.
Platinum -
Solstice Rose-Cut Smoky Oval Sunburst Ring
Regular price From $4,989.00 AUDRegular priceUnit price perSolstice Rose-Cut Smoky Oval Sunburst Ring
A distinctive made-to-order design defined by its oval bezel ring with fluted sunburst surround. Carefully balanced proportions and considered stone placement give the ring a refined, contemporary presence while preserving the individuality of the supplied design.
Design Details
- Ring style: oval bezel ring with fluted sunburst surround
- Centre stone: rose-cut smoky gemstone, approximately 1.50ct
- Accent stones: no additional accent stones
- Setting: full bezel framed by hand-sculpted radial metalwork
- Metal options: 10K gold, 14K gold, 18K gold or platinum
Stone identities, quantities and carat weights are visual estimates from the supplied design render only. Gemstone origin, natural or laboratory-grown status, treatment, colour, clarity, measurements, certification and exact weights must be confirmed before production.
Bespoke Design
This design is made to order by AG & CO. Gold colour, ring size and final stone selection will be confirmed during your consultation. Indicative prices are in AUD and include GST; the final quote is confirmed once all specifications and current stone availability are approved.
Platinum -
Canyon Natural Brown Diamond Emerald Cut Ribbed Statement Ring
Regular price From $10,989.00 AUDRegular priceUnit price perNatural Coloured Diamond Collection Canyon Natural Brown Diamond Emerald Cut Ribbed Statement Ring
A bold expression of contemporary luxury, featuring a natural brown emerald cut diamond set within a sculptural ribbed statement band designed for distinctive elegance.
Canyon Brown Diamond Ring — Sculptural Design With Natural Elegance
The Canyon statement ring redefines modern luxury through a powerful combination of architectural form and rare coloured diamond beauty. Featuring a natural brown emerald cut diamond positioned in an elegant east-west orientation, the design creates a refined balance between bold structure and understated sophistication.
The sculpted ribbed band adds depth, texture and a distinctive contemporary character, while the full bezel setting provides a sleek, secure finish that highlights the natural warmth and individuality of the centre diamond.
Handcrafted to order by AG & CO Jewellery, the Canyon ring is designed for those who appreciate exceptional materials, modern craftsmanship and jewellery with a unique presence.
Natural Brown Emerald Cut Diamond Design
Natural brown diamonds are admired for their rich earthy tones, individuality and sophisticated character. The emerald cut enhances the diamond’s depth and elegance, creating a refined centrepiece with a distinctive luxury aesthetic.
The east-west orientation and sculptural ribbed design transform the traditional statement ring into a contemporary collector piece designed for effortless individuality.
Product Details
Product
Canyon Natural Brown Diamond Emerald Cut Ribbed Statement Ring
Centre Stone
Approx. 2.00ct Natural Brown Emerald Cut Diamond
Diamond Type
Natural Coloured Diamond
Setting Style
East-West Full Bezel Setting
Band Design
Wide Sculptural Ribbed Statement Band
Accent Stones
No Additional Accent Stones
Metal Options
10K Gold, 14K Gold, 18K Gold & Platinum
Estimated Price
From $12,990 AUD
Craftsmanship
Made to Order by AG & CO Jewellery
Please NoteStone colour, clarity, measurements, certification and exact carat weight are confirmed during consultation before production. Natural coloured diamonds are unique, with each stone displaying its own individual characteristics.
Platinum -
Terra Oval Champagne Diamond Signet Ring
Regular price From $8,998.00 AUDRegular priceUnit price perTerra Oval Champagne Diamond Signet Ring
A distinctive made-to-order design defined by its streamlined oval signet ring. Carefully balanced proportions and considered stone placement give the ring a refined, contemporary presence while preserving the individuality of the supplied design.
Design Details
- Ring style: streamlined oval signet ring
- Centre stone: oval-cut brown diamond, approximately 1.50ct
- Accent stones: no additional accent stones
- Setting: flush bezel within a sculpted polished signet band
- Metal options: 10K gold, 14K gold, 18K gold or platinum
Stone identities, quantities and carat weights are visual estimates from the supplied design render only. Gemstone origin, natural or laboratory-grown status, treatment, colour, clarity, measurements, certification and exact weights must be confirmed before production.
Bespoke Design
This design is made to order by AG & CO. Gold colour, ring size and final stone selection will be confirmed during your consultation. Indicative prices are in AUD and include GST; the final quote is confirmed once all specifications and current stone availability are approved.
Platinum -
Nocturne Champagne Emerald & Black Trapezoid Ring
Regular price From $6,300.00 AUDRegular priceUnit price perNocturne Champagne Emerald & Black Trapezoid Ring
A distinctive made-to-order design defined by its east-west geometric three-stone ring. Carefully balanced proportions and considered stone placement give the ring a refined, contemporary presence while preserving the individuality of the supplied design.
Design Details
- Ring style: east-west geometric three-stone ring
- Centre stone: champagne-toned cut-corner emerald gemstone, approximately 2.50ct
- Accent stones: two black trapezoid-cut gemstones, approximately 0.30ct total
- Setting: clean bezel-set geometric composition
- Metal options: 10K gold, 14K gold, 18K gold or platinum
Stone identities, quantities and carat weights are visual estimates from the supplied design render only. Gemstone origin, natural or laboratory-grown status, treatment, colour, clarity, measurements, certification and exact weights must be confirmed before production.
Bespoke Design
This design is made to order by AG & CO. Gold colour, ring size and final stone selection will be confirmed during your consultation. Indicative prices are in AUD and include GST; the final quote is confirmed once all specifications and current stone availability are approved.
Platinum -
Sienna Champagne Marquise Cluster Ring
Regular price From $14,598.00 AUDRegular priceUnit price perSienna Champagne Marquise Cluster Ring
A distinctive made-to-order design defined by its elegant east-west marquise diamond silhouette and refined trefoil diamond shoulders. The warm champagne centre stone is framed by a sculptural bezel setting, creating a contemporary expression of understated luxury while preserving the individuality of the original design.
Design Details
Ring StyleEast-west marquise bezel ring with trefoil diamond shouldersCentre StoneOne natural champagne marquise diamond, approximately 2.00ctAccent StonesSix round brilliant white diamonds, approximately 0.20ct totalSettingWarm-metal bezel setting with claw-set diamond clustersMetal Options10K gold, 14K gold, 18K gold or platinumBespoke DesignThis design is made to order by AG & CO. Gold colour, ring size and final stone selection will be confirmed during your private consultation.
Stone identity, origin, certification, colour, clarity, measurements and exact carat weight must be confirmed before production. As a natural champagne diamond design, final pricing is determined by the individual diamond characteristics and current availability.
Indicative pricing is in AUD and includes GST. The final quote is confirmed once all specifications and gemstone details have been approved.
Luxury Bespoke Jewellery by AG & CO
The Sienna Champagne Marquise Cluster Ring celebrates the character of natural diamonds through a refined balance of colour, proportion and craftsmanship. Each piece is individually created to order, ensuring a unique expression of contemporary fine jewellery.
SEO Keywords: natural champagne diamond ring, marquise diamond engagement ring, east-west diamond ring, bespoke diamond jewellery Australia, custom luxury engagement rings, AG & CO Jewellery.
```
Platinum -
Tidal Blue & Teal Marquise Toi et Moi Ring
Regular price From $6,898.00 AUDRegular priceUnit price perTidal Blue & Teal Marquise Toi et Moi Ring
A distinctive made-to-order design defined by its sculptural two-stone marquise bypass ring. Carefully balanced proportions and considered stone placement give the ring a refined, contemporary presence while preserving the individuality of the supplied design.
Design Details
- Ring style: sculptural two-stone marquise bypass ring
- Centre stone: one deep blue marquise sapphire, approximately 1.20ct, and one teal marquise tourmaline, approximately 1.00ct
- Accent stones: no additional accent stones
- Setting: contrasting white-metal V-claws on a flowing bypass band
- Metal options: 10K gold, 14K gold, 18K gold or platinum
Stone identities, quantities and carat weights are visual estimates from the supplied design render only. Gemstone origin, natural or laboratory-grown status, treatment, colour, clarity, measurements, certification and exact weights must be confirmed before production.
Bespoke Design
This design is made to order by AG & CO. Gold colour, ring size and final stone selection will be confirmed during your consultation. Indicative prices are in AUD and include GST; the final quote is confirmed once all specifications and current stone availability are approved.
Platinum -
Fleur Pink Marquise Rainbow Sapphire Ring
Regular price From $6,400.00 AUDRegular priceUnit price perFleur Pink Marquise Rainbow Sapphire Ring
A distinctive made-to-order design defined by its marquise centre ring with graduated colour cluster shoulders. Carefully balanced proportions and considered stone placement give the ring a refined, contemporary presence while preserving the individuality of the supplied design.
Design Details
- Ring style: marquise centre ring with graduated colour cluster shoulders
- Centre stone: light pink marquise-cut sapphire, approximately 2.20ct
- Accent stones: round pink, violet and pale blue sapphires, approximately 0.60ct total
- Setting: double-V marquise tips with shared-claw accent stones
- Metal options: 10K gold, 14K gold, 18K gold or platinum
Stone identities, quantities and carat weights are visual estimates from the supplied design render only. Gemstone origin, natural or laboratory-grown status, treatment, colour, clarity, measurements, certification and exact weights must be confirmed before production.
Bespoke Design
This design is made to order by AG & CO. Gold colour, ring size and final stone selection will be confirmed during your consultation. Indicative prices are in AUD and include GST; the final quote is confirmed once all specifications and current stone availability are approved.
Platinum
