Collection: All Products
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5.08ct Portuguese-Cut Oval Lab-Grown Diamond
Regular price $9,598.00 AUDRegular priceUnit price / perSale price $9,598.00 AUD5.08ct 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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5.50 Carat Portuguese Oval Certified Lab Grown Diamond
Regular price $14,989.00 AUDRegular priceUnit price / perSale price $14,989.00 AUD5.50ct 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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5.26ct Portuguese Cut Oval Lab-Grown Diamond
Regular price $8,798.00 AUDRegular priceUnit price / perSale price $8,798.00 AUD5.26ct 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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6.00ct Portuguese Cut Oval Lab Grown Diamond
Regular price $12,998.00 AUDRegular priceUnit price / perSale price $12,998.00 AUD6.00ct 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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1.59 Carat Portuguese Oval GIA Certified Lab Grown Diamond
Regular price $1,998.00 AUDRegular priceUnit price / perSale price $1,998.00 AUD1.59 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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4.46ct Portuguese-Cut Oval Lab-Grown Diamond
Regular price $9,598.00 AUDRegular priceUnit price / perSale price $9,598.00 AUD4.46 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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4.12ct Portuguese Cut Oval Lab-Grown Diamond
Regular price $7,998.00 AUDRegular priceUnit price / perSale price $7,998.00 AUD4.12ct 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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4.12ct Portuguese-Cut Oval Lab-Grown Diamond
Regular price $7,998.00 AUDRegular priceUnit price / perSale price $7,998.00 AUDA 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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4.73ct Portuguese Cut Oval Lab-Grown Diamond
Regular price $8,989.00 AUDRegular priceUnit price / perSale price $8,989.00 AUD4.73ct 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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3.84ct Portuguese-Cut Oval Lab-Grown Diamond
Regular price $5,989.00 AUDRegular priceUnit price / perSale price $5,989.00 AUD3.84ct 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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3.57ct Portuguese-Cut Oval Lab-Grown Diamond
Regular price $6,498.00 AUDRegular priceUnit price / perSale price $6,498.00 AUD3.57ct 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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2.07 Carat Portuguese Oval GIA Certified Lab Grown Diamond
Regular price $2,698.00 AUDRegular priceUnit price / perSale price $2,698.00 AUD2.07 Carat Portuguese Oval GIA Certified Lab Grown Diamond
A distinctive 2.07 carat oval lab-grown diamond showcasing intricate Portuguese-style faceting. Its detailed facet arrangement creates a captivating display of brilliance, fire and movement, giving the stone remarkable visual depth from every angle.
Graded E colour and VVS2 clarity, this diamond combines a beautifully colourless appearance with exceptional visual purity. Its graceful oval silhouette and impressive presence make it an outstanding loose centre stone for a bespoke engagement ring or one-of-a-kind fine jewellery design.
Diamond Specifications
- Carat Weight: 2.07 carats
- Shape: Oval
- Cut Style: Portuguese Cut
- Colour Grade: E
- Clarity Grade: VVS2
- Certification: GIA
- Diamond Type: Lab-Grown Diamond
- Product Type: Loose Diamond
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4.95ct Portuguese Cut Oval Lab-Grown Diamond
Regular price $9,998.00 AUDRegular priceUnit price / perSale price $9,998.00 AUD4.95ct 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.
Approaching five carats, this spectacular oval diamond offers impressive scale and intricate Portuguese-inspired brilliance. Its layered facets produce a dynamic combination of white light, colourful fire and visual depth that changes beautifully with movement.
The elongated shape creates generous finger coverage, making this loose diamond an excellent centrepiece for a distinctive luxury engagement ring.
Diamond details: 4.95ct,Portuguese-cut oval, Excellent polish, Excellent symmetry, 13.51 × 9.31 × 5.83 mm, IGI certified.
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5.26ct Portuguese Cut Oval Lab-Grown Diamond
Regular price $12,989.00 AUDRegular priceUnit price / perSale price $12,989.00 AUDA substantial Oval-shaped diamond combining softly rounded corners with the remarkable depth and sparkle of Portuguese-inspired faceting. Designed for a luxurious bespoke engagement ring or statement piece.
- Colour: F
- Clarity: VVS2
- Polish: Excellent
- Symmetry: Excellent
- Measurements: 11.42 × 10.38 × 6.37 mm
- Certification: IGI
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3.29ct Portuguese-Cut Oval Lab-Grown Diamond
Regular price $5,989.00 AUDRegular priceUnit price / perSale price $5,989.00 AUD3.29ct Portuguese-Cut Oval Lab-Grown Diamond
This exceptional 3.29 carat oval lab-grown diamond pairs an elegant, elongated silhouette with intricate Portuguese-style faceting. Its richly detailed arrangement of facets creates a captivating mosaic of light, delivering lively brilliance and fire with every movement.
Beautifully suited to a bespoke engagement ring, this loose diamond offers impressive presence while maintaining refined, graceful proportions.
Diamond details: 3.29ct, F colour, VVS2 clarity, Portuguese-cut oval, Excellent polish, Excellent symmetry, IGI certified.
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1.20 Carat Portuguese Oval IGI Certified Lab Grown Diamond
Regular price $1,498.00 AUDRegular priceUnit price / perSale price $1,498.00 AUD1.20 Carat Portuguese Oval IGI Certified Lab Grown Diamond
A beautifully distinctive 1.20 carat oval lab-grown diamond featuring intricate Portuguese-style faceting. Its detailed facet pattern creates a captivating display of brilliance, fire and movement, giving the diamond remarkable depth and character from every angle.
Graded D colour and VVS2 clarity, this diamond combines the highest colour grade with an exceptionally clean appearance. Its graceful oval silhouette offers elegant proportions, making it an exceptional loose centre stone for a bespoke engagement ring or one-of-a-kind fine jewellery design.
Diamond Specifications
- Carat Weight: 1.20
- Shape & Cut: Portuguese Oval
- Colour Grade: D
- Clarity Grade: VVS2
- Polish: EX
- Symmetry: EX
- Fluorescence: None
- Certification: IGI
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8.00ct Portuguese Cut Oval Lab Grown Diamond
Regular price $22,989.00 AUDRegular priceUnit price / perSale price $22,989.00 AUD8.00ct Portuguese Cut Oval Lab Grown Diamond
A truly breathtaking 8.00 carat Portuguese-cut oval created for an extraordinary jewellery design. Its elaborate facet pattern produces remarkable depth and a constant display of scintillation, while its elongated form gives the diamond an elegant and beautifully balanced appearance.
With exceptional size and unmistakable character, this loose diamond offers a spectacular foundation for a bespoke engagement ring designed to be entirely unforgettable.
Diamond details: 8.00ct, VVS clarity, Portuguese-cut oval, Excellent polish, Excellent symmetry, IGI certified.
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7.05ct Portuguese Cut Oval Lab-Grown Diamond
Regular price $12,989.00 AUDRegular priceUnit price / perSale price $12,989.00 AUDPortuguese-Cut Diamond Collection 7.05ct Portuguese-Cut Oval Lab-Grown Diamond
A spectacular 7.05 carat oval lab-grown diamond featuring intricate Portuguese-style faceting, created to produce an extraordinary display of brilliance, fire and movement.
Exceptional Brilliance with a Distinctive Portuguese Cut
This remarkable 7.05ct Portuguese-Cut Oval Lab-Grown Diamond brings together an elegant elongated silhouette and an intricate arrangement of facets. Its Portuguese-inspired cutting style creates captivating patterns of light, giving the diamond a distinctive depth and brilliance from every angle.
The oval shape offers graceful proportions and impressive finger coverage, while the detailed faceting gives the stone a unique visual character beyond that of a traditional oval brilliant.
A striking choice for a bespoke engagement ring or statement jewellery design, this loose diamond provides an exceptional centre stone for a truly individual creation.
Diamond Details
Product
7.05ct Portuguese-Cut Oval Lab-Grown Diamond
Diamond Type
Lab-Grown Diamond
Carat Weight
7.05 Carats
Shape
Oval
Cut Style
Portuguese-Style Oval Faceting
Product Type
Loose Diamond
Suitable For
Bespoke Engagement Rings & Fine Jewellery
Please NoteThis listing is for the loose diamond only. As each diamond is individually created and cut, its appearance and characteristics are unique. Please contact AG & CO Jewellery for further details or assistance creating a bespoke setting.
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5.00 Carat E-SI1 Oval Lab Diamond
Regular price $2,689.00 AUDRegular priceUnit price / per$2,689.00 AUDSale price $2,689.00 AUDID: 6a79c5ea869dedb335066f10
Vendor Name: Nivoda
Stock Number: 956ABDAF7
Lab Report Number: LG671495524
Added on 10 August 2026 by Ring Builder App -
Aurelia Pink Diamond Three Stone Oval Engagement Ring
Regular price $12,900.00 AUDRegular priceUnit price / perSale price $12,900.00 AUDColoured Diamond Collection Aurelia Pink Diamond Three Stone Oval Engagement Ring
A romantic trilogy design centred on an oval pink diamond, framed by two oval diamond side stones and finished with delicate pavé detailing.
A Celebration of Colour, Balance and Timeless Romance
The Aurelia Three Stone Ring brings together graceful proportions and meaningful symbolism. Its trilogy composition represents the past, present and future, creating an engagement ring with a deeply personal story.
At the centre, an elongated oval pink diamond draws the eye with its soft blush colour. Two oval diamond side stones frame the centre beautifully, adding brightness and balance while enhancing its presence on the hand.
Refined claw settings and delicate pavé detailing along the band complete the design with a polished, high-jewellery finish. Handcrafted to order, Aurelia may be personalised through your preferred diamond and precious-metal selection.
Product Details
Product
Aurelia Pink Diamond Three Stone Oval Engagement Ring
Style
Three Stone / Trilogy Engagement Ring
Centre Diamond
Oval Pink Diamond
Side Diamonds
Two Oval Diamond Side Stones
Setting Style
Three Stone Claw Setting
Band Style
Pavé Diamond Band
Metal Options
Platinum, 18K White Gold, Yellow Gold or Rose Gold
Craftsmanship
Handcrafted to Order
Please NoteDiamond specifications and metal selection can be customised to your preferences. Any personalised selections will be confirmed with you before production.
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2.05 Carat D-VVS2 Oval Lab Diamond
Regular price $2,169.00 AUDRegular priceUnit price / per$2,169.00 AUDSale price $2,169.00 AUDID: 6a75006965941edd250c0154
Vendor Name: Nivoda
Stock Number: 3C632B626
Lab Report Number: LG821606711
Added on 11 August 2026 by Ring Builder App -
2.05 Carat G-VVS2 Radiant Lab Diamond
Regular price $1,518.00 AUDRegular priceUnit price / per$1,518.00 AUDSale price $1,518.00 AUDID: 6a7393d2a0b0a5797303339c
Vendor Name: Nivoda
Stock Number: 1280AFBA1
Lab Report Number: LG816656102
Added on 11 August 2026 by Ring Builder App -
2.41 Carat G-VVS2 Radiant Lab Diamond
Regular price $1,668.00 AUDRegular priceUnit price / per$1,668.00 AUDSale price $1,668.00 AUDID: 6a7393d8a0b0a5797303a3aa
Vendor Name: Nivoda
Stock Number: 0B97E4531
Lab Report Number: LG799684526
Added on 11 August 2026 by Ring Builder App -
Rosalia Radiant Pink Diamond Trapezoid Trilogy Ring
Regular price From $15,990.00 AUDRegular priceUnit price / perSale price From $15,990.00 AUDThe La Vie en Rose Collection Rosalia Radiant Pink Lab-Grown Diamond Trapezoid Trilogy Ring
A commanding radiant-cut pink lab-grown diamond framed by crisp trapezoid side stones in a sculptural three-stone design.
Architectural Brilliance in a Statement Trilogy
Rosalia Radiant Pink Lab-Grown Diamond Trapezoid Trilogy Ring is designed as a celebration of modern colour and refined proportion. The radiant-cut pink lab-grown diamond creates the focal point, bringing a distinctive blush tone to a considered engagement-ring silhouette.
Two trapezoid-cut white lab-grown diamonds complement the centre while adding contrast, light and balance. The three stone claw setting is paired with a polished band to create a polished design from every angle.
Handcrafted to order, the design can be created in 14K gold, 18K gold or platinum. Gold colour and final stone selection are confirmed personally, allowing each ring to be tailored while preserving the character of the original design.
Product Details
Product
Rosalia Radiant Pink Lab-Grown Diamond Trapezoid Trilogy Ring
Availability
Bespoke Custom Made to Order
Gemstone Type
Pink and white lab-grown diamonds
Centre Stone
8.00CT Radiant-cut pink lab-grown diamond
Side Stones
Two trapezoid-cut white lab-grown diamonds
Estimated Carat Weight
approximately 8.00ct centre; approximately 9.50ct total diamond weight
Setting Style
Three stone claw setting
Band Style
Polished band
Metal Options
14K Gold, 18K Gold or Platinum
Craftsmanship
Bespoke Design made to Order
Please NoteCarat weights are approximate design estimates based on the pictured proportions and are not certificate specifications. Final stone weights, colour, clarity, grading reports, gold colour and ring size will be confirmed before production.
Platinum