Collection: Best Selling Products
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The Signature Eclipse Ring
Regular price From $4,399.00 AUDRegular priceUnit price / perSale price From $4,399.00 AUDThe Signature Eclipse Ring
Exclusive Signature Moissanite Collection
D Color · VVS1 Clarity · GRA Certified
A modern statement ring defined by clean lines and bold presence. The Signature Eclipse Ring features a refined bezel-set center moissanite, offering both security and a sleek, contemporary aesthetic. Designed with a low-profile donut-style cathedral setting, the ring sits comfortably on the finger while maintaining an elevated, architectural silhouette. A 3D pavé band completes the design, adding brilliance from every angle.
Details
- Center Stone: Moissanite Diamond 4ct
- Color: D
- Clarity: VVS1
- Setting: Bezel Setting with Low-Profile Donut Cathedral
- Band: 2.00mm 3D Pavé Diamond Band
- Metal: 14k or 18k Gold / Platinum
- Metal Color: Yellow Gold or White Gold
- Certification: GRA Certified with Laser Inscription
This design is fully customizable to your specifications. For bespoke requests or questions, please email contact@agcojewellery.com.
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The Signature Trilogy Ring
Regular price From $4,399.00 AUDRegular priceUnit price / perSale price From $4,399.00 AUDThe Signature Trinity Ring
Exclusive Signature Moissanite Collection
D Color · VVS1 Clarity · GRA Certified
A bold and elegant trilogy ring designed to celebrate brilliance, balance, and presence. The Signature Trinity Ring features a striking center moissanite flanked by pear-shaped side diamonds, creating a timeless three-stone silhouette with exceptional sparkle. A 3D pavé band and refined donut-style cathedral setting allow the ring to sit lower on the finger while maintaining a graceful, statement-making profile.
Details
- Center Stone: Moissanite Diamond 4ct
- Side Stones: Pear-Shaped Diamonds
- Color: D
- Clarity: VVS1
- Setting: Donut-Style Cathedral Setting (Low Profile)
- Prongs: Single Prongs
- Band: 2.00mm 3D Pavé Diamond Band
- Metal: 14k or 18k Gold / Platinum
- Metal Color: Yellow Gold or White Gold
- Certification: GRA Certified with Laser Inscription
This design is fully customizable to your specifications. For bespoke requests or questions, please email contact@agcojewellery.com
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The Signature Heirloom Ring
Regular price From $4,399.00 AUDRegular priceUnit price / perSale price From $4,399.00 AUDThe Signature Heirloom Ring
Exclusive Signature Moissanite Collection
D Color · VVS1 Clarity · GRA Certified
A timeless statement ring inspired by vintage design and refined architectural detail. The Signature Heirloom Ring features a delicately styled 2.00mm vintage band paired with a donut-style cathedral setting, allowing the center stone to sit lower on the finger while maintaining elegance and durability. Triple split NSEW prongs secure and elevate the moissanite, creating a bold yet classic silhouette designed around larger stones.
Details
- Center Stone: Moissanite Diamond 4.00ct
- Color: D
- Clarity: VVS1
- Setting: Donut-Style Cathedral Setting (Low Profile)
- Prongs: Triple Split NSEW Prongs
- Band: 2.00mm Vintage-Style Band
- Metal: 14k or 18k Gold / Platinum
- Metal Color: Yellow Gold or White Gold
- Certification: GRA Certified with Laser Inscription
This design is fully customizable to your specifications. For bespoke requests or questions, please email contact@agcojewellery.com.
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The Signature Apex Ring
Regular price From $4,399.00 AUDRegular priceUnit price / perSale price From $4,399.00 AUDThe Signature Apex Ring
Exclusive Signature Moissanite Collection
D Color · VVS1 Clarity · GRA Certified
A bold architectural statement ring designed for maximum impact with a refined, low-profile silhouette. The Signature Apex Ring features a donut-style setting with cathedral shoulders, allowing the center stone to sit lower on the finger while maintaining strength and elegance. A 3D pavé band and distinctive triple split NSEW prongs complete a design built to showcase large, high-impact moissanite diamonds.
Details
- Center Stone: Moissanite Diamond 4.00ct
- Color: D
- Clarity: VVS1
- Setting: Donut-Style Cathedral Setting (Low Profile)
- Prongs: Triple Split NSEW Prongs
- Band: 2.00mm 3D Pavé Diamond Band
- Metal: 14k or 18k Gold / Platinum
- Metal Color: Yellow Gold or White Gold
- Certification: GRA Certified with Laser Inscription
This design is fully customizable to your specifications. For bespoke requests or questions, please email contact@agcojewellery.com
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The Signature Grande Ring
Regular price From $4,399.00 AUDRegular priceUnit price / perSale price From $4,399.00 AUDThe Signature Grande Ring
Exclusive Signature Moissanite Collection
D Color · VVS1 Clarity · GRA Certified
A bold and luxurious statement ring from our Exclusive Signature Moissanite Collection. Designed around large, high-impact moissanite diamonds, this piece is crafted to command attention. Shown here with an oval brilliant center stone, the design is available in all shapes, including Old Mine and Moval cuts. A hidden halo, diamond-set prongs, and a diamond-encrusted band elevate the brilliance from every angle.
Details
- Center Stone: Moissanite Diamond 4ct
- Shape: Oval Brilliant (available in all shapes, including Old Mine & Moval)
- Color: D
- Clarity: VVS1
- Setting: Hidden Halo with Diamond-Set Prongs
- Band: 3.00mm Round Brilliant Diamonds
- Metal: 14k or 18k Gold / Platinum
- Metal Color: Yellow Gold or White Gold
- Certification: GRA Certified with Inscription
This design is fully customizable. For bespoke requests or questions, please email contact@agcojewellery.com
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1.20 Carat E-SI2 Radiant Cut Diamond
Regular price $6,761.00 AUDRegular priceUnit price / per$6,761.00 AUDSale price $6,761.00 AUDID: 6979c2d5e616906a710c1df8
Vendor Name: Nivoda
Stock Number: 5EEC77B4B
Lab Report Number: 6531479657
Added on 30 January 2026 by Ring Builder App -
2.02 Carat D-VS1 Emerald Lab Diamond
Regular price $2,147.00 AUDRegular priceUnit price / per$2,147.00 AUDSale price $2,147.00 AUDID: 697677b8f4c706181000d9ea
Vendor Name: Nivoda
Stock Number: E511C3C99
Lab Report Number: LG760578877
Added on 30 January 2026 by Ring Builder App -
2.03CT Oval Solitaire With Hidden Halo
Regular price $3,950.00 AUDRegular priceUnit price / perSale price $3,950.00 AUD2.03CT Oval Diamond Ring with Hidden Halo
F Color · VVS2 Clarity · IGI Certified
A refined oval diamond ring designed for effortless elegance. The hidden halo enhances sparkle while maintaining a clean, timeless aesthetic. Perfect for those who love understated luxury with exceptional diamond quality.
Details
- Center Stone: 2.03CT Oval Brilliant Diamond
- Color: F
- Clarity: VVS2
- Setting: Solitaire with Hidden Halo
- Metal: 18k Gold
- Certification: IGI
READY TO SHIP: IN STOCK and available for IMMEDIATE SHIPMENT.
Price: $3,950
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4.60CT Oval Solitaire With Hidden Halo
Regular price $7,598.00 AUDRegular priceUnit price / perSale price $7,598.00 AUD4.60CT Oval Solitaire Diamond Ring with Hidden Halo
D Color · VS1 Clarity · IGI Certified
Bold, breathtaking, and undeniably luxurious. This statement oval diamond is set on a substantial band for a powerful yet refined look. A hidden halo adds a subtle layer of brilliance, making this ring as captivating up close as it is from afar.
Details
- Center Stone: 4.60CT Oval Brilliant Diamond
- Color: D
- Clarity: VS1
- Setting: Solitaire with Hidden Halo
- Band Width: Bold 3.5mm
- Metal: 18k Gold
- Certification: IGI
READY TO SHIP: IN STOCK and available for IMMEDIATE SHIPMENT.
Price: $7,598
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3.51CT Oval Solitaire With Pave Band And Hidden Halo
Regular price $6,798.00 AUDRegular priceUnit price / perSale price $6,798.00 AUD3.51CT Oval Diamond Ring with Pavé Band & Hidden Halo
E Color · VS1 Clarity · IGI Certified
A radiant oval diamond paired with a delicate pavé band and a hidden halo for added brilliance where it matters most. This design blends modern sparkle with timeless elegance, creating a luminous silhouette that dazzles from every perspective.
Details
- Center Stone: 3.51CT Oval Brilliant Diamond
- Color: E
- Clarity: VS1
- Band: 2.4mm Pavé Diamond Band (½ Eternity)
- Hidden Halo: Yes
- Metal: 14k Gold
- Certification: IGI
READY TO SHIP: IN STOCK and available for IMMEDIATE SHIPMENT.
Price: $6,798
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Classic 3.02ct Oval Diamond Cathedral Solitaire Engagement Ring in 14K Yellow Gold, Four-Prong, IGI Certified
Regular price $5,499.00 AUDRegular priceUnit price / perSale price $5,499.00 AUDDescription
A classic 3.02ct oval brilliant diamond engagement ring featuring an F color, VS1 clarity center stone in a cathedral solitaire setting crafted in 14K yellow gold. The oval diamond is secured in a four-prong mount above a slim plain polished band, while the open cathedral gallery lifts the stone to allow light to pass through for strong brilliance. With its clean solitaire design and timeless yellow gold finish, this fine jewelry ring offers refined simplicity for everyday styling and special occasions. IGI certified and ready to ship.
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1.53 Carat F-VVS2 Oval Lab Diamond
Regular price $1,730.00 AUDRegular priceUnit price / per$1,730.00 AUDSale price $1,730.00 AUDID: 697677b8f4c706181000da92
Vendor Name: Nivoda
Stock Number: EB5816B71
Lab Report Number: LG764664867
Added on 29 January 2026 by Ring Builder App -
2.01 Carat F-VVS2 Emerald Lab Diamond
Regular price $1,796.00 AUDRegular priceUnit price / per$1,796.00 AUDSale price $1,796.00 AUDID: 6977bb1df03b75ce0f0641f7
Vendor Name: Nivoda
Stock Number: 02560D88F
Lab Report Number: LG752544962
Added on 28 January 2026 by Ring Builder App -
2.02 Carat Oval Cut Fancy Brown
Regular price $829.00 AUDRegular priceUnit price / per$829.00 AUDSale price $829.00 AUDID: 696af3c6e17ac8d80b0ee849
Vendor Name: Nivoda
Stock Number: DE75CE5E5
Lab Report Number: LG747529606
Added on 26 January 2026 by Ring Builder App -
2.09 Carat Marquise Cut Fancy Brown
Regular price $861.00 AUDRegular priceUnit price / per$861.00 AUDSale price $861.00 AUDID: 696c0af36411ee962d028d42
Vendor Name: Nivoda
Stock Number: CA89679BF
Lab Report Number: LG747529614
Added on 26 January 2026 by Ring Builder App -
2.10 Carat E-VS1 Marquise Lab Diamond
Regular price $2,687.00 AUDRegular priceUnit price / per$2,687.00 AUDSale price $2,687.00 AUDID: 697677b8f4c706181000d913
Vendor Name: Nivoda
Stock Number: ACB15617F
Lab Report Number: LG752579177
Added on 26 January 2026 by Ring Builder App -
2.03 Carat E-VS1 Marquise Lab Diamond
Regular price $2,603.00 AUDRegular priceUnit price / per$2,603.00 AUDSale price $2,603.00 AUDID: 697677b8f4c706181000d8e9
Vendor Name: Nivoda
Stock Number: 2AC9182B2
Lab Report Number: LG749523732
Added on 26 January 2026 by Ring Builder App -
1.30 Carat Marquise Cut Fancy Orange
Regular price $441.00 AUDRegular priceUnit price / per$441.00 AUDSale price $441.00 AUDID: 69493e8a817eae4cd10b5fe5
Vendor Name: Nivoda
Stock Number: 4B79BAFDF
Lab Report Number: LG733591555
Added on 26 January 2026 by Ring Builder App -
2.99 Carat Marquise Cut Fancy Brown
Regular price $749.00 AUDRegular priceUnit price / per$749.00 AUDSale price $749.00 AUDID: 694b0de8f884ea208a043d73
Vendor Name: Nivoda
Stock Number: D33E39331
Lab Report Number: LG756553758
Added on 26 January 2026 by Ring Builder App -
1.32ct Oval Lab Grown Diamond (Colour Fancy Brown, Clarity VS1, IGI Certified)
Regular price $1,357.57 AUDRegular priceUnit price / perSale price $1,357.57 AUD- Type: Lab Grown Diamond
- Shape: Oval
- Carat: 1.32
- Colour: Brown
- Intensity: Fancy
- Clarity: VS1
- Polish: Very Good
- Symmetry: Very Good
- Fluorescence: None
- Measurements: 8.99x6.04x3.71mm
- L/W Ratio: 1.49
- Table: 60%
- Depth: 61.4%
- Certificate: IGI
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1.66 Carat Marquise Cut Fancy Brown
Regular price $690.00 AUDRegular priceUnit price / per$690.00 AUDSale price $690.00 AUDID: 692c11b76a4e67ecd60aab53
Vendor Name: Nivoda
Stock Number: F9EA9E3C5
Lab Report Number: LG724575494
Added on 25 January 2026 by Ring Builder App -
1.50ct Oval Lab Grown Diamond (Colour F, Clarity VVS2, IGI Certified)
Regular price $1,174.96 AUDRegular priceUnit price / perSale price $1,174.96 AUD- Type: Lab Grown Diamond
- Shape: Oval
- Carat: 1.50
- Colour: F
- Clarity: VVS2
- Polish: Excellent
- Symmetry: Excellent
- Fluorescence: None
- Measurements: 8.97x6.57x4.11mm
- L/W Ratio: 1.37
- Table: 59%
- Depth: 62.6%
- Certificate: IGI
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1.01 Carat Oval Cut Fancy Brown
Regular price $438.00 AUDRegular priceUnit price / per$438.00 AUDSale price $438.00 AUDID: 696765159e453ff5e20d4d54
Vendor Name: Nivoda
Stock Number: CCF32FD26
Lab Report Number: LG756568471
Added on 22 January 2026 by Ring Builder App -
1.02ct Oval Lab Grown Diamond (Colour Light Gray, Clarity VVS2, IGI Certified)
Regular price $1,368.27 AUDRegular priceUnit price / perSale price $1,368.27 AUD- Type: Lab Grown Diamond
- Shape: Oval
- Carat: 1.02
- Colour: Gray
- Intensity: Light
- Clarity: VVS2
- Polish: Excellent
- Symmetry: Excellent
- Fluorescence: None
- Measurements: 8.25x5.2x3.09mm
- L/W Ratio: 1.59
- Table: 69%
- Depth: 59.4%
- Certificate: IGI