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3.57ct Portuguese-Cut Oval Lab-Grown Diamond
Regular price $6,498.00 AUDRegular priceUnit price per3.57ct Portuguese-Cut Oval Lab-Grown Diamond
A beautifully balanced oval diamond distinguished by its detailed Portuguese-inspired facet pattern. The combination of a bright D colour grade and VVS2 clarity gives the stone a crisp, luminous appearance, while its elongated outline provides elegant finger coverage.Created for clients seeking something beyond a traditional oval brilliant, this loose diamond offers a distinctive foundation for a one-of-a-kind engagement ring.
Diamond details: 3.57ct, D colour, VVS2 clarity, Portuguese-cut oval, Excellent polish, Excellent symmetry, 11.93 × 8.16 × 5.04 mm, IGI certified.
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3.84ct Portuguese-Cut Oval Lab-Grown Diamond
Regular price $5,989.00 AUDRegular priceUnit price per3.84ct Portuguese-Cut Oval Lab-Grown Diamond
This remarkable 3.84 carat diamond showcases the graceful proportions of an oval shape enhanced by complex Portuguese-style faceting. Its layered reflections create remarkable depth and movement, giving the diamond an intricate character from every angle.With its colourless appearance and exceptional clarity, it is a sophisticated choice for a bespoke engagement ring designed around brilliance, individuality and modern luxury.
Diamond details: 3.84ct, D colour, VS1 clarity, Portuguese-cut oval, Excellent polish, Excellent symmetry, 12.21 × 8.34 × 5.18 mm, IGI certified.
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4.73ct Portuguese Cut Oval Lab-Grown Diamond
Regular price $8,989.00 AUDRegular priceUnit price per4.73ct Portuguese-Cut Oval Lab-Grown Diamond
A substantial oval diamond with a sophisticated Portuguese-style facet arrangement. Its balanced proportions and richly detailed reflections produce exceptional sparkle while preserving the graceful character for which oval diamonds are admired.
With an elegant face-up appearance and remarkable presence, this loose diamond is perfectly suited to a refined solitaire or intricately designed bespoke setting.
Diamond details: 4.73ct, Portuguese-cut oval, Excellent polish, Excellent symmetry, 13.29 × 9.16 × 5.71 mm, IGI certified.
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4.12ct Portuguese-Cut Oval Lab-Grown Diamond
Regular price $7,998.00 AUDRegular priceUnit price perA beautifully proportioned oval diamond with intricate Portuguese-style faceting. Its layered facet pattern creates exceptional fire, movement and a distinctive mosaic-like brilliance.
- Colour: E
- Clarity: VS1
- Polish: Excellent
- Symmetry: Excellent
- Measurements: 12.68 × 8.74 × 5.61 mm
- Certification: IGI
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4.12ct Portuguese Cut Oval Lab-Grown Diamond
Regular price $7,998.00 AUDRegular priceUnit price per4.12ct Portuguese-Cut Oval Lab-Grown Diamond
A striking four-carat oval diamond featuring an intricate Portuguese-inspired cut. Its numerous facets create smaller, more detailed flashes of light than a traditional oval brilliant, producing a mesmerising display of fire and sparkle.
The elegant outline and substantial visual presence make this loose diamond an exceptional centre stone for a custom engagement ring or statement jewellery design.
Diamond details: 4.12ct, E colour, VS1 clarity, Portuguese-cut oval, Excellent polish, Excellent symmetry, 12.68 × 8.74 × 5.61 mm, IGI certified.
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4.46ct Portuguese-Cut Oval Lab-Grown Diamond
Regular price $9,598.00 AUDRegular priceUnit price per4.46 Carat Portuguese Cut Oval Lab Grown Diamond
This 4.46 carat Portuguese-cut oval brings together an elongated silhouette, impressive size and a captivating pattern of brilliance.
Designed to command attention without losing its sense of refinement, this diamond would create an extraordinary bespoke engagement ring.
Diamond details: 4.46ct, Portuguese-cut oval, Excellent polish, Excellent symmetry, 13.02 × 8.91 × 5.54 mm, IGI certified.
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1.59 Carat Portuguese Oval GIA Certified Lab Grown Diamond
Regular price $1,998.00 AUDRegular priceUnit price per1.59 Carat Portuguese Oval GIA Certified Lab Grown Diamond
A distinctive 1.59 carat oval lab-grown diamond showcasing intricate Portuguese-style faceting. Its detailed facet arrangement creates a mesmerising display of brilliance, fire and movement, giving the diamond exceptional visual depth from every angle.
The graceful oval silhouette offers an elegant, elongated appearance with beautiful presence. 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 Specifications
- Carat Weight: 1.59ct
- Shape & Cut: Portuguese Oval
- Colour Grade: D
- Clarity Grade: VVS2
- Polish: Excellent
- Symmetry: Very Good
- Fluorescence: None
- Certification: GIA
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6.00ct Portuguese Cut Oval Lab Grown Diamond
Regular price $12,998.00 AUDRegular priceUnit price per6.00ct Portuguese Cut Oval Lab Grown Diamond
This extraordinary 6.00 carat oval diamond delivers remarkable scale, brilliance and individuality. Its complex Portuguese-style faceting creates an intricate mosaic of reflections, giving the stone exceptional visual depth and a dramatic display of fire.
Diamond Specifications
- Carat Weight: 6.00
- Shape & Cut: Portuguese Oval
- Polish: Excellent
- Symmetry: Excellent
- Fluorescence: None
- Certification: IGI
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5.26ct Portuguese Cut Oval Lab-Grown Diamond
Regular price $8,798.00 AUDRegular priceUnit price per5.26ct Portuguese-Cut Oval Lab-Grown Diamond
This Portuguese Oval Diamond showcases an intricate multi-faceted cutting style designed to create exceptional depth, scintillation and visual brilliance. Its elongated silhouette offers a refined, distinctive expression for a bespoke fine-jewellery commission.
Important: All specifications below are illustrative placeholders only. They have not been verified against a grading report and must be replaced with the diamond’s genuine details before this product is activated.
Diamond Specifications
- Carat Weight: 5.26
- Shape & Cut: Portuguese Oval
- Colour Grade: G
- Clarity Grade: VS1
- Polish: Excellent
- Symmetry: Excellent
- Fluorescence: None
- Certification: IGI
- Diamond Origin: To be verified
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5.50 Carat Portuguese Oval Certified Lab Grown Diamond
Regular price $14,989.00 AUDRegular priceUnit price per5.50ct Portuguese Cut Oval Lab-Grown Diamond
This exceptional Portuguese-cut oval presents a sophisticated combination of colourless beauty, elegant proportions and detailed brilliance. Its layered facets catch and return light from multiple angles, creating captivating sparkle across the entire face of the diamond.
At 5.47 carats, it offers extraordinary presence while retaining the graceful outline required for a timeless bespoke engagement ring.
Diamond Specifications
- Carat Weight: 5.50
- Shape & Cut: Portuguese Oval
- Polish: EX
- Symmetry: Excellent
- Fluorescence: None
- Certification: IGI
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5.08ct Portuguese-Cut Oval Lab-Grown Diamond
Regular price $9,598.00 AUDRegular priceUnit price per5.08ct Portuguese-Cut Oval Lab-Grown Diamond
This impressive 5.08 carat oval lab-grown diamond is transformed by a complex arrangement of Portuguese-style facets. The result is a richly textured pattern of light with exceptional movement and a character distinctly different from a conventional oval brilliant.
Its generous size and elegant silhouette make it an unforgettable centre diamond for a bespoke engagement ring or statement jewellery creation.
Diamond details: 5.08ct, Portuguese-cut oval, Excellent polish, Excellent symmetry, 13.67 × 9.42 × 5.91 mm, IGI certified.
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6.50ct Portuguese Cut Oval Lab Grown Diamond
Regular price $14,989.00 AUDRegular priceUnit price per6.50ct Portuguese Cut Oval Lab Grown Diamond
A breathtaking 6.50 carat oval diamond with an elegant elongated outline and richly detailed Portuguese-inspired facets. Its distinctive cut creates layers of brilliance and movement, drawing the eye across the entire surface of the stone.
Offering impressive finger coverage and refined proportions, this loose diamond is suited to a statement engagement ring created with exceptional individuality.
Diamond details: 6.50ct, Portuguese-cut oval, Excellent polish, Excellent symmetry, IGI certified.
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7.50ct Portuguese Cut Oval Lab Grown Diamond
Regular price $16,998.00 AUDRegular priceUnit price per7.50ct Portuguese Cut Oval Lab Grown Diamond
This magnificent 7.50 carat oval diamond possesses extraordinary scale and commanding visual presence. Its intricate Portuguese-style facet arrangement creates a mesmerising tapestry of brilliance, fire and movement that distinguishes it from a traditional oval cut.
The elongated silhouette balances its substantial size with graceful proportions, making it an exceptional centre stone for a one-of-a-kind engagement ring or statement jewel.
Diamond details: 7.50ct, F colour, Portuguese-cut oval, Excellent polish, Excellent symmetry, IGI certified.
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Round Portuguese Cut Diamond
Regular price From $5,598.00 AUDRegular priceUnit price perRound Portuguese Cut Diamond
A captivating round diamond brought to life through the intricate geometry of the Portuguese cut. Its layered, kaleidoscopic facet pattern creates a richly textured display of light, with a distinctive floral centre and mesmerising depth.
Choose from a considered palette of colourless, yellow, champagne, blue, green and pink tones. Each variation retains the same round Portuguese-cut character while offering its own individual mood—from icy and luminous to warm, romantic or vividly saturated.
Diamond Details
Shape: Round Portuguese
Carat: 2.00CTImages illustrate the available colour variations. Carat weight, measurements, diamond origin, clarity, treatment status, certification, availability and final price must be confirmed for the selected stone before purchase.
Bespoke Design
This diamond can be sourced as a loose stone or incorporated into a custom AG & CO engagement ring or fine-jewellery design. Our team can guide you through stone selection, proportions and setting options to create a piece that feels entirely your own.
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JAZMIRA — Elongated Cushion with Marquise Accents
Regular price From $1,800.00 AUDRegular priceUnit price perJazmira Collection
Jazmira Elongated Cushion Cut Marquise Accent Engagement Ring
A refined engagement ring setting designed for an elongated cushion cut centre diamond, complemented by graceful graduated marquise diamond accents and a softly tapered polished band.
Softly Elongated Elegance with Marquise Accents
Jazmira pairs the softly rounded contours of an elongated cushion cut centre diamond with the elegant movement of graduated marquise diamond side accents. The elongated centre creates a graceful focal point, while the marquise accents introduce delicate sparkle and a refined, nature-inspired flow along the finger. Completed by a softly tapered polished band, the design feels beautifully balanced, romantic and timelessly sophisticated.
Details
Setting Style
Graduated Marquise Side Accents
Centre Diamond Shape
Elongated Cushion Cut
Side Stone Shape
Marquise Cut
Diamond Colour
D / E / F Colour Options Available
Metal Options
14K or 18K Yellow Gold, White Gold, Rose Gold & Platinum
Band Style
Tapered, Polished Band
Craftsmanship
Handcrafted to Order
Packaging
Signature AG & CO Jewellery Packaging
Please NoteThis listing includes the ring setting only and does not include the centre diamond. The centre diamond can be selected separately according to your preferred size, colour, clarity and certification requirements.
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JAZMIRA — Asscher with Marquise Accents
Regular price From $1,800.00 AUDRegular priceUnit price perJazmira Collection
Jazmira Asscher Cut Marquise Accent Engagement Ring
A sophisticated engagement ring setting designed for an Asscher cut centre diamond, complemented by graceful graduated marquise diamond accents and a softly tapered polished band.
Art Deco Geometry with Graceful Marquise Accents
Jazmira pairs the distinctive geometry of an Asscher cut centre diamond with the elegant movement of graduated marquise diamond side accents. The Asscher cut’s crisp lines and stepped silhouette create a refined focal point, while the marquise accents introduce delicate sparkle and a graceful, nature-inspired flow. Completed by a softly tapered polished band, the design feels architectural, balanced and timelessly sophisticated.
Details
Setting Style
Graduated Marquise Side Accents
Centre Diamond Shape
Asscher Cut
Side Stone Shape
Marquise Cut
Diamond Colour
D / E / F Colour Options Available
Metal Options
14K or 18K Yellow Gold, White Gold, Rose Gold & Platinum
Band Style
Tapered, Polished Band
Craftsmanship
Handcrafted to Order
Packaging
Signature AG & CO Jewellery Packaging
Please NoteThis listing includes the ring setting only and does not include the centre diamond. The centre diamond can be selected separately according to your preferred size, colour, clarity and certification requirements.
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JAZMIRA — Princess with Marquise Accents
Regular price From $1,800.00 AUDRegular priceUnit price perJazmira Collection
Jazmira Princess Cut Marquise Accent Engagement Ring
A refined engagement ring setting designed for a striking princess cut centre diamond, complemented by graceful graduated marquise diamond accents and a softly tapered polished band.
Geometric Elegance with Graceful Marquise Accents
Jazmira brings together the clean, contemporary lines of a princess cut centre diamond with the elegant movement of graduated marquise diamond side accents. The softly sweeping band draws the eye towards the centre stone, while the marquise accents introduce delicate sparkle and a refined, nature-inspired silhouette. Balanced and distinctive, the design offers a sophisticated expression of modern romance with timeless appeal.
Details
Setting Style
Graduated Marquise Side Accents
Centre Diamond Shape
Princess Cut
Side Stone Shape
Marquise Cut
Diamond Colour
D / E / F Colour Options Available
Metal Options
14K or 18K Yellow Gold, White Gold, Rose Gold & Platinum
Band Style
Tapered, Polished Band
Craftsmanship
Handcrafted to Order
Packaging
Signature AG & CO Jewellery Packaging
Please NoteThis listing includes the ring setting only and does not include the centre diamond. The centre diamond can be selected separately according to your preferred size, colour, clarity and certification requirements.
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4.50ct Portuguese Cut Round Lab Grown Diamond
Regular price $8,998.00 AUDRegular priceUnit price per- Type: Lab Grown Diamond
- Shape: Round Portuguese Cut
- Carat: 4.50
- Colour: E
- Clarity: VVS2
- Cut: Excellent
- Polish: Excellent
- Symmetry: Excellent
- Fluorescence: None
- L/W Ratio: 1
- Certificate: IGI
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5.00ct Portuguese Cut Round Lab Grown Diamond
Regular price $9,898.00 AUDRegular priceUnit price per- Type: Lab Grown Diamond
- Shape: Round Portuguese Cut
- Carat: 5.00
- Colour: D
- Clarity: VVS2
- Cut: Excellent
- Polish: Excellent
- Symmetry: Excellent
- Fluorescence: None
- L/W Ratio: 1
- Certificate: IGI
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4.00ct Portuguese Cut Round Lab Grown Diamond
Regular price $8,726.81 AUDRegular priceUnit price per- Type: Lab Grown Diamond
- Shape: Round Portuguese Cut
- Carat: 4.00
- Colour: D
- Clarity: VVS2
- Cut: Excellent
- Polish: Excellent
- Symmetry: Excellent
- Fluorescence: None
- L/W Ratio: 1
- Certificate: IGI
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2.14 Carat G-VVS2 Oval Lab Diamond
Regular price $1,595.00 AUDRegular priceUnit price per$1,595.00 AUDSale price $1,595.00 AUDID: 6a6ad1a2a983a385e3040e6c
Vendor Name: Nivoda
Stock Number: BB789C92D
Lab Report Number: LG818602826
Added on 08 August 2026 by Ring Builder App -
1.70 Carat F-VS1 Round Cut Diamond
Regular price $27,867.00 AUDRegular priceUnit price per$27,867.00 AUDSale price $27,867.00 AUDID: 6a7421a0c55a1f43df07c732
Vendor Name: Nivoda
Stock Number: B812EFCF2
Lab Report Number: 6552649551
Added on 08 August 2026 by Ring Builder App -
2.01 Carat F-SI1 Oval Lab Diamond
Regular price $1,208.00 AUDRegular priceUnit price per$1,208.00 AUDSale price $1,208.00 AUDID: 6a6ad1a4a983a385e304428a
Vendor Name: Nivoda
Stock Number: D4D722149
Lab Report Number: LG573375964
Added on 07 August 2026 by Ring Builder App -
Round 4.05ct Lab Grown Diamond D VVS2 ID EX EX IGI
Regular price $6,598.00 AUDRegular priceUnit price perAvailable to Order · IGI Certified 4.05ct Round Brilliant Lab-Grown Diamond
An exceptional 4.05 carat round brilliant lab-grown diamond, combining D colour, VVS2 clarity and an Ideal cut for a bright, balanced and commanding appearance.
Ideal-Cut Brilliance with Exceptional Presence
At 4.05 carats, this round brilliant lab-grown diamond offers substantial presence with the timeless symmetry and concentrated sparkle for which the round shape is renowned.
Its Ideal cut, Excellent polish and Excellent symmetry work together to support precise light performance and a balanced face-up appearance. The 59% table and 61.5% depth sit within a refined proportion profile, complemented by a 35.3° crown angle and 40.9° pavilion angle.
Graded D colour—the highest colourless grade—and VVS2 clarity, the diamond combines an exceptionally white appearance with minute inclusions that are difficult to detect under magnification. No fluorescence is recorded on the grading report.
Created using the CVD growth method and independently certified by IGI under report LG704580121, the diamond measures approximately 10.17–10.24 × 6.27 mm. Its impressive scale makes it a striking centre stone for a solitaire, hidden-halo or refined pavé setting.
Diamond Details
Diamond Type
Lab-Grown Diamond
Shape
Round Brilliant
Cut Grade
Ideal
Growth Method
CVD
Carat Weight
4.05ct
Colour
D
Clarity
VVS2
Polish
Excellent
Symmetry
Excellent
Fluorescence
None
Measurements
10.17–10.24 × 6.27 mm
Ratio
1.00
Table
59.00%
Depth
61.50%
Crown Angle
35.30°
Crown Height
14.50%
Pavilion Angle
40.90°
Pavilion Depth
43.00%
Girdle
Medium to Slightly Thick
Certification
IGI · LG704580121
Viewing
Available for Viewing at Our Chadstone Showroom (By Appointment Only)
Private Diamond ViewingBook a private appointment at our Chadstone showroom to view this diamond in person and explore a bespoke setting designed to complement its exceptional round brilliant sparkle.
