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 150 results

0.88ct Old European Cut Diamond Groton Engagement Ring

$4,500

Antique Art Deco 3.07ct Diamond Halo Engagement Ring. Glenview Ring. Circa 1930

$39,000

Platinum GIA 2.69ct Rose Cut Diamond Calabria Engagement Ring

RESERVED

1.19ct GIA Certified Old European Cut Diamond Ring. Riverview Ring

$9,000

1.58ct Old European Cut Diamond, Platinum Ring. Seville Ring

$12,800

2.07ct Old European Cut Diamond Engagement Ring. Bologna Ring

$19,500

3.80ct Old European Cut Diamond Engagement Ring. Bayside Ring

$55,000

Antique 0.85ct 5 Stone Diamond Platinum Bellevue Ring. Circa 1920

$7,300

Edwardian Antique Bohemia 1.48ct Diamond Engagement Ring. Circa 1900

$12,000

Rovigo Ring. Circa 1920, Antique, Art Deco Era

$16,500

Vintage Retro Era 0.60ct Diamond Engagement Ring Berge. Circa 1940

$4,000

1.16ct Old European Cut Diamond Ring in Platinum. Cairns Ring

$8,000

1.59ct Old European Cut Diamond Ruby Halo Ring. Plano Ring

$17,000

3.21ct Rose Cut Cushion Shaped Diamond Ring. Columbus Ring

SOLD

4.26ct Old Euro Cut Diamond Engagement Ring. Yale Ring

$60,000

5.03ct Antique Asscher Cut Diamond Ring. Crawford Ring

$90,000

Antique Art Deco 4.30ct Diamond Engagement Ring. Kent Ring. Circa 1925

$45,000

Dover Ring. 3.02ct Old European Cut Diamond Ring

$45,000

Madigan Earrings

SOLD

Middletown Ring. Circa 1910, Antique, Edwardian Era

SOLD

Rockford Ring

Contact Us For Price

Rouen Ring. Circa 1920, Antique, Art Deco Era

$19,000

Salford Ring. Circa 1930, Antique, Art Deco Era

$16,000

Shafton Ring

$26,000

Smithfield Ring. Circa 1925, Antique, Art Deco Era

RESERVED

Tamworth Ring

RESERVED

Vintage French 3.00ct Diamond Ring Circa 1970. Gifford Ring

$50,000

3.03ct Antique Cushion Cut and Sapphire Halo Montreal Ring

$33,000

4.60ct Antique Cushion Cut Diamond Platinum Halo Ring

$55,000

5.49ct Cushion Cut Diamond Halo Ring. Tropea Ring

$88,000

Amalfi Ring. Circa 1925, Antique, Art Deco Era.

$15,000

Art Deco 3.90ct Diamond Boudry Ring. Circa 1920

$42,000

Bollon Ring

$35,000

Capri Ring

SOLD

Chester Ring

$14,000

Clearview Ring. Circa 1905, Antique, Edwardian Era.

SOLD