Shop our collection of diamonds (and diamond engagement rings) that have a GIA certification attached to them.

Showing 1–36 of 265 results

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Top View GIA-Certified 1.01 carat 18k Yellow Gold Engagement Ring 15252
Top Side View Floral Cluster of Diamonds 18k Yellow Gold Ring 15252
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GIA-Certified 1.01ct Diamond and Cluster Fairhaven Ring

$7,000
Platinum and Diamond Handcrafted Engagement Ring - Groton Ring
Handcrafted Platinum and Diamond Engagement Ring - Groton Ring
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0.86ct Old European Cut Diamond Groton Engagement Ring

$4,500
French Diamond and Diamond Halo Ring Mentz Ring Top View
White Gold and Diamond Engagement Ring - Metz Ring
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1.42ct Diamond Vintage Engagement Ring. Metz Ring, Circa 1940

$14,000
13025 Antique Asscher-Cut Diamond and Sapphire Halo Haddon Ring 13025
4.09 Carat Asscher-cut Diamond and Sapphire Halo Ring Haddon Ring
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4.09ct Asscher Cut Diamond Engagement Ring. Haddon Ring

$140,000
Asscher-Cut Diamond and Halo Ring New York Ring Top View
Platinum Asscher cut diamond ring New York Ring 14919 TSV 1000P
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GIA 1.01ct Asscher Cut Diamond Engagement Ring. New York Ring

$9,000
Emerald Cut Diamond Ring Eastgate Ring Top View
Baguette Halo Platinum Ring Eastgate Ring Top Side View
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0.54ct Diamond Emerald-Cut Engagement Ring. Eastgate Ring

$4,800
GIA-Certified 0.80ct Emerald Cut Diamond Ring - Midhust Ring 14831 TV
0.80ct Emerald Cut Diamond Engagement Ring - Midhust Ring 14831 TSV
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0.80ct Emerald Cut Diamond Engagement Ring. Midhust Ring

$7,200
halo-style engagement ring centering antique cushion-cut diamond Marino Ring 12632
Cushion and Diamond Halo Ring Marino Ring
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1.10ct Antique Cushion Cut Diamond Ring, G color. Marino Ring

$9,800
Old European Cut Diamond Engagement Ring - Farsley Ring 14318 TV
Old European Cut diamond Ring Octagon Halo Ring Top Side View
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2.29ct Octagon Halo Old Euro Engagement Ring

$32,000
4.55ct Natural Colombian Emerald-Cut Emerald Diamond Ring Livingston Ring Top View
Emerald and Diamond Cluster Ring Livingston Ring
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4.55ct Colombian Emerald and Diamond Ring. Livingston Ring

$35,000
5.05 Carat Emerald Cut Diamond Ring Sanremo Ring Top View
Emerald Cut Diamond Platinum Engagement Ring - Sanremo Ring
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5.05ct GIA Certified Emerald Cut Diamond Platinum Ring. Sanremo Ring

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1.06ct Old European Cut Diamond Ring - Southwell Ring 13782 TV
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Antique GIA 1.06ct Diamond Southwell Ring. Art Deco Era, Circa 1935

$13,000
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Art Deco Diamond and Sapphire Ring Rovigo Ring Top View
Platinum Art Deco RIng Rovigo Ring 14339-TSV-1000PX (1)
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Art Deco GIA Certified 1.64ct Rovigo Ring. Antique, Circa 1920

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Platinum and Diamond Vintage Ring Riverview Ring Top View
Old European Cut Diamond Vintage Ring Riverview Ring Top Side View
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Vintage 1.19ct GIA Certified Old European Cut Diamond Ring. Riverview Ring

$9,000
Asscher Cut Diamond Double Halo Ring Mississippi Ring Top View
Platinum Double Halo Ring Mississippi Ring 15379 Top View
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0.50ct Asscher-cut Diamond Double Halo Mississippi Ring

$5,500
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0.50ct Emerald Cut Diamond Ring Newbury Ring Top View
Platinum and Double Halo Ring Newbury Ring Top Side View
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0.50ct Emerald Cut Diamond and Emeralds Platinum Ring. Newbury Ring

RESERVED
Double Halo Asscher Cut Ring Walton Ring Top View 14126
Walton Ring Top Side View 14126 TSV 1000P
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0.51ct Asscher-Cut Diamond Double Halo Platinum Walton Ring

$5,200
Emerald Cut Diamond Ring Tivoli Ring Top View
Geometric Diamond Halo Engagement Ring - Tivoli Ring 13524 TSV
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0.71ct GIA Certified Emerald Cut Diamond Platinum Tivoli Ring

$6,000
Asscher Cut Diamond and Baguette Halo Ring Henlow Ring 13845 Top View
Baguette Halo Diamond Ring Henlow Ring 13845 Top Side View
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0.80ct Asscher Cut Diamond, Baguette Halo Ring. Henlow Ring

$6,750
1ct Diamond Platinum Huntington Ring Top View
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1.00ct, D Color GIA Certified Platinum Diamond Ring. Huntington Ring

$11,000
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1.01ct Antique Cushion Cut Diamond Engagement Ring - Windham Ring 12155 TV
Antique Cushion Diamond Onyx Halo Ring - Windham Ring 12155 TSV
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1.01ct Diamond and Onyx/Diamond Halo Windham Ring

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Asscher-Cut Diamond Ring Gracefield Ring Top View
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1.01ct GIA Certified Asscher Cut Diamond Ring in Platinum. Baysville Ring

$9,800
Oval Cut Ruby Bezel Set in Gold Ring - Tulip Ring
Ruby and Platinum Diamond Halo Ring - Tulip Ring
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1.26ct Burma Ruby and Diamond Halo Ring. Tulip Ring

$9,000
1.80 Carat Emerald Cut Diamond Ring Cremona Ring Top View
Platinum Baguette Halo Ring Cremona Ring Side View
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1.80ct Emerald Cut Diamond and Baguette Halo Platinum Ring. Cremona Ring

$25,000
D color old European cut Diamond Ring Aveyron Ring 10660
Art Deco Platinum and Diamond Ring Aveyron Ring 10660
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2.05ct Old European Cut Diamond, D color, GIA Certified Ring. Aveyron Ring

$52,000
2.50 Carat Diamond Ring Piccadilly Ring Top View
Platinum and Diamond Ring Piccadilly Ring Top Side View
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2.50ct Emerald Cut Diamond, Art Deco Style Platinum Ring. Piccadilly Ring

$45,000
3.01 Carat Radiant cut diamond Ellerbe Ring Top View
GIA 3.01 Carat Diamond Ring Ellerbe Ring Top Side View
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3.01ct, F color Radiant Cut Diamond Ring. Ellerbe Ring

$68,000
Three Stone Emerald Cut Diamond Engagement Ring Deansgate Ring 13601-TV-1000PX
Platinum Three Stone 3.14ct Emerald Cut Engagement Ring 13601-TSV-1000PX
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3.14ct GIA Certified Emerald Cut Diamond Ring. Deansgate Ring

$60,000
4ct Antique Cushion Cut Diamond Ring Vire Ring Top View
Vire Ring Top Side View
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4.24ct Antique Cushion Cut Diamond Ring. Vire Ring

$98,000
5.03 Carat Asscher Cut Diamond Ring - Crawford Ring 13798 TV
Diamond and French Cut Sapphire Halo Ring - Crawford Ring 13798 TSV
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5.03ct Antique Asscher Cut Diamond Ring. Crawford Ring

$90,000
5.31 Carat Emerald Cut Handcrafted Platinum Engagement Ring Baguette Diamond - Madrid Ring
Handcrafted 5.31 Carat Platinum Engagement Ring Emerald Cut Baguette Diamond - Madrid Ring
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5.31ct Emerald-Cut Diamond Engagement Ring. Sea Cliff Ring

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7.55 Carat Diamond Engagement Ring Rockford Ring Top View D5163
Prong Set Old European Cut Diamond Ring - Rockford Ring
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7.55ct Old European Cut Diamond GIA Rockford Ring

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9.22ct Antique Cushion Cut Diamond Platinum Art Deco Ring SB9.22
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9.22 Carat Antique Cushion Cut Diamond Ring

RESERVED
Top View GIA-Certified 0.90 carat old European cut diamond center 15136
Top Side View Diamond Set in Platinum Engagement Ring 15136
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Antique Edwardian 0.90ct Swirl Ring. Ravenna Ring. Circa 1910

$6,800
1.08 Old European and Baguette Cut Diamond Ring - Rochdale Ring
Platinum and Old European Diamond Ring - Rochdale Ring
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GIA 1.08ct Old European Diamond Rochdale Ring

$9,500
Floral Motif Diamond and Ruby Ring - Floral Ruby Ring 13438 TV
Diamond and Ruby Cluster Ring Ruby Floral Halo Top Side View
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GIA 1.47ct Old European Diamond Ruby Floral Ring

$14,000