Our collection of K-Color Diamond Engagement Rings. Curated by Estate Diamond Jewelry. These diamonds have a center diamond that features K Color.

Showing 1–36 of 174 results

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Georgian 14k rose cut diamond cluster ring Fayston ring 15720
EDJ Color BG Product Video
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Georgian Rose Cut Diamond Cluster Gold Fayston Ring, Circa 1810

$2,800
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

RESERVED
5 Stone Antique Art Deco Ring Bellevue Ring Top View 15239
Platinum Art Deco 0.85ct Center Ring Bellevue Ring Top Side View 15239
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Antique 0.85ct Five-Stone Diamond Platinum Bellevue Ring. Art Deco, Circa 1920

$7,300
0.89 carat Diamond on Platinum Art Deco Era Engagement Ring 15652
Top Side View Diamond on Platinum Engagement Zliten Ring 15652
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Antique 0.89ct Old European Cut Diamond on Platinum Engagement Zliten Ring, Circa 1925

$3,800
Art Deco 3.07ct Old European Diamond Ring - Glenview Ring
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Antique Art Deco 3.07ct Diamond Halo Engagement Ring. Glenview Ring. Circa 1930

$39,000
Seville Ring Top View
Seville Ring Top Side View
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1.58ct Old European Cut Diamond, Platinum Ring. Seville Ring

$12,800
4.25ct Old European Cut Diamond And Baguette Halo Accented Ring 14034-TV-1000PX
Platinum Mounting Open Work Under Gallery Diamond Engagement Ring 14034-TSV-1000PX
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3.80ct Old European Cut Diamond Engagement Ring. Bayside Ring

$55,000
Edwardian era ring handcrafted in platinum Edwardian Antique Ring Bohemia Ring 13506
Edwardian Diamond and Platinum Filigree Ring - Bohemia Ring
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Edwardian Antique Bohemia 1.48ct Diamond Engagement Ring. Circa 1900

$12,000
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
Retro Old European Cut Diamond Ring - Berge Ring 13495
Vintage Old European Cut Diamond Ring - Berge Ring
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Vintage Retro Era 0.60ct Diamond Engagement Ring. Berge Ring, Circa 1940

$4,000
Leaf Motif and Diamond Ring Cairns Ring Top View 14090
Old European Cut Diamond Ring Cairns Ring 14090 Top Side View
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1.16ct Old European Cut Diamond Ring in Platinum. Cairns Ring

$8,000
Top View Diamond and Ruby Halo Engagement Ring 13762
Platinum Mounting Triple Wire Shank Open Work Under Gallery Halo Engagement Ring 13762-TSV-1000PX
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1.59ct Old European Cut Diamond Ruby Halo Ring. Plano Ring

$17,000
2.08ct Old European Diamond on Platinum Engagement Ring - Rouen Ring 14259 TV
2.08ct Old European Cut Diamond Ring - Rouen Ring 14259 TSV
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2.08ct Rouen Ring. Circa 1920, Antique, Art Deco Era

$19,000
Pear Shape Diamond Halo Ring Shafton Ring Top View 13291
Platinum and Diamond Cluster Ring Shafton Ring Top Side View
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2.30ct Antique Pear-Shape Diamond Cluster Shafton Ring

$26,000
Old European Cut Diamond and Sapphire Halo Ring Yale Ring TV 14628
4.26 Carat Diamond and Sapphire Ring Yale Ring Top Side View
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4.26ct Old Euro Cut Diamond Engagement Ring. Yale Ring

$60,000
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
5.87 Carat Rose-Cut Diamond and Platinum Ring Norristown Ring 13073
5.87 Carat Rose-Cut diamond and Micro-Pave Ring Norristown Ring 13073
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6.00ct Rose Cut Pear-Shaped Diamond Ring. Norristown Ring

$92,000
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 and Platinum Open Work Ring Top View
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9.22 Carat Antique Cushion Cut Diamond Ring

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Old European Cut Diamond Art Deco Ring Chelsea Ring Top View 15279
3.05 Carat Old European Cut Diamond Ring Chelsea Ring Top Side View
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Antique 4.00ct Diamond Chelsea Ring. Art Deco, Circa 1920

$48,000
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4.30 Carat Diamond Engagement Ring with Onyx Halo 13423 TV
Platinum Diamond and Onyx Engagement Ring - Kent Ring
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Antique Art Deco 4.30ct Diamond Engagement Ring. Kent Ring, Circa 1925

$45,000
Top View Stunning Antique GIA-certified cushion cut diamond Engagement Ring 15473
Top Side View Diamond on Platinum and 18k Yellow Gold Ring 15473
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McKinney Ring. Circa 1900, Antique, Edwardian Era

$14,000
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6.66ct Old European Cut Diamond TDW Drop Earrings 14246_TV
Platinum And 18k Yellow Gold Mounting Open Work Back Gallery Diamond Earrings 14246_TSV
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Old European Cut Diamond Madigan Earrings

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Diamond and Yellow Gold Ring Gifford Ring Top View 14482
French Yellow Gold and Diamond Ring Gifford Ring Top Side View
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Vintage French 3.00ct Diamond Ring Circa 1970. Gifford Ring

$50,000
1.27 carat Old European Cut Diamond Baguette Cut Engagement Ring 15499
Top Side View Prong-Set Old European Cut Handcrafted in Platinum 15499
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1.27ct Diamond Platinum Chicago Ring

$6,800
Sulham Ring Vintage Cushion Cut Diamond and Emerald Halo Engagement Ring TV
Antique Cushion Cut Diamond and Emerald Halo Engagement Ring 12954 Sulham Ring Top View
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1.30ct Antique Cushion Diamond and Emerald Halo Platinum Sulham Ring

$9,500
Diamond and 18k Yellow Gold Ring Somerville Ring Top View 12387
Somerville Ring Top Side View
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1.41ct Diamond and 18k Yellow Gold Somerville Ring

$14,000
Chester Ring Top View 1.50-carat old European cut diamond ring ,12192
Chester Ring Top Side View
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1.50ct Diamond Platinum on 18k Yellow Gold Leaf Chester Ring

$14,000
1.89ct Old European Diamond Sapphire Ring - Regal Ring 14429 TV
Diamond and Sapphire Halo Engagement Ring - Regal Ring 14429 TSV
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1.89ct Diamond and Sapphire Halo Regal Ring

$14,500
Top View Diamond and Sapphire Platinum Engagement Ring 15425
striking halo and diamond engagement ring Top Side View 15425
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2.05ct Diamond Sapphire Halo Sheep Meadow Ring

$17,000
2.29ct Antique Cushion Cut Diamond Ring - Mosley Ring 13837 TV
Diamond and Sapphire Halo Engagement Ring - Mosley Ring 13837 TSV
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2.29ct Antique Cushion Cut Diamond and Sapphire Halo Mosley Ring

$25,000
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2.38ct Old European Cut Diamond And Diamond Halo Platinum Engagement Ring 13642-TV-1000PX
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2.38ct Diamond Halo Melrose Ring

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Platinum and Old European Cut Diamond Bow Motif Nebraska Ring 12996
Platinum and Old European Cut Diamond Ring 12996 Side View
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2.66ct Diamond and Emerald Accent Platinum Nebraska Ring

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Top View Old European Cut Diamond Ring Bollon Ring 13806
Platinum Art Deco Style Ring Bollon Ring Top Side View
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2.84ct Diamond and Emerald/Onyx Accent Platinum Bollon Ring

$35,000
14157 TV Antique Cushion cut Diamond with Sapphire Halo Engagement Ring 14157
Antique Cushion Cut Diamond Engagement Ring - Montreal Ring 14157 TSV
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3.03ct Antique Cushion Cut and Sapphire Halo Montreal Ring

$33,000
4.60ct Antique Cushion Cut Diamond Ring Estate Halo Ring 13423 Top View
4.60ct Antique Cushion Cut Diamond Platinum Estate Halo Ring 13423 Side View
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4.60ct Antique Cushion Cut Diamond Platinum Halo Ring

$55,000