Colored Diamond, Diamond, Gold Ring, Oscar Heyman Bros.

Fine Oscar Heyman (signed) eighteen karat yellow gold ring set with an approximate 1.40 ct. oval diamond, M-N color, VS-VVS clarity, (set in iridium platinum), approximately 1.5 ct. tw. oval diamond s

Crafted in platinum and 18K gold; featuring an oval-cut sapphire weighing approximately 2.00 carats; surrounded by eight oval-cut diamonds weighing a total of approximately 1.30 carats, with mostly G-

Oscar Heyman Bros. 18K gold, onyx, & diamond, earrings, with 4 cts. diamonds. Stamped, "750" and with maker's mark. .875"H x 1.125"W

Oscar Heyman and Brothers Platinum, Emerald and Diamond Ring, c. 1962, serial number 62506, set with an emerald-cut emerald, approx. 2.50 cts., in a ballerina setting with 33 tapered baguette cut diam

OSCAR HEYMAN & BROTHERS, YELLOW GOLD, EMERALD AND COLORED DIAMOND EARCLIPS Containing two sugarloaf emeralds measuring approximately 8.80 x 8.80 mm and 50 round brilliant cut yellow diamonds (origin o

The tasteful contrast between captivating sapphires totaling 0.75ct and brightly glowing diamonds weighing in total approximately 0.65ct graces this 18K yellow gold ring from Oscar Heyman with eye-cat

18k gold ring by Oscar Heyman. Features approximately 1.50ctw of diamonds. Ring size 8.5. Marked 18k Plat 48766 Makers Mark. Weight is 6.3 grams.

Oscar Heyman & Bros diamond and platinum ring. Inner band is marked with HB, K4863, and PLAT. Features 16 baguette diamonds with a total weight of 0.75 carats. Set in platinum. Tested. Ring Size: 7.25

Oscar Heyman 1.80ctw Blue Sapphire, 0.75ctw VS1-VS2/F-G Diamond Solid 18K Yellow Gold Ring - This captivating ring was made by Oscar Heyman, and was finely crafted of solid 18k yellow gold. Since the

Oscar Heyman 1.80ctw Blue Sapphire, 0.75ctw VS1-VS2/F-G Diamond Solid 18K Yellow Gold Ring - This captivating ring was made by Oscar Heyman, and was finely crafted of solid 18k yellow gold. Since the

American Retro 14 kt. Rose Gold, Citrine, Ruby and Diamond Dinner Ring , attr. to Oscar Heyman, c. 1940, set with on emerald cut citrine flanked by 4 full-cut diamonds and 6 calibre-cut rubies, citrin

Oscar Heyman 1.50ctw Ruby, 1.20ctw VS1-VS2/F-G Diamond Solid 18K Yellow/White Gold Ring (Comes W/$15,000 Appraisal) - This captivating ring was made by Oscar Heyman, and was finely crafted of solid 18

OSCAR HEYMAN & BROTHERS, YELLOW GOLD AND DIAMOND RING Containing eight round brilliant cut diamonds weighing approximately 0.90 carat total. Ring size 6. Stamp: (maker's mark) 25734 18K PLAT. Gross we

Metal : 18k Gold Designer : Oscar Heyman Gemstone : Diamonds approx. 0.48ctw Measurements : Ring size 7 3/4, top is 6mm Marked: : Maker's mark 18k Plat Weight: 4.4 grams

Magnificent Rare Vintage Dated 1966 Oscar Heyman 18k Yellow Gold Fancy Color Diamond Cocktail Ring ~ With Fancy Yellow Diamonds, Brown Diamonds and White Diamonds ~ 5.46tcw ~ Pear Cut Diamonds, Marqui

Oscar Heyman Diamond, sapphire, and emerald ring Set with a 1.40 cts oval-cut diamond, surrounded by circular-cut emeralds, sapphires, and oval-cut diamonds Platinum and 18k yellow gold With maker's m

Colored Diamond, Diamond, White Gold Ring The ring features a profile-cut brown diamond measuring 10.33 x 12.07 x 6.07 mm and weighs approximately 5.02 carats, accented by full-cut diamonds weighing a

Colored Diamond, Diamond, Enamel, Gold Ring The serpent ring features marquise-shaped very

Colored Diamond, Gold Ring, De Grisogono  The ring features full-cut brown diamonds w

Designed as a flower, featuring one marquise-cut diamond and five marquise-cut colored diamonds weighing a total of approximately 0.75 cttw., set in a 14k yellow gold ring mounting, size 5 1/4. Gross

Diamond, Colored Diamond, Gold Ring Stones: Rose-cut yellow diamond weighing 0.79 carat; near-colorless marquise-shaped diamonds weighing a total of 7.82 carats Me

OSCAR HEYMAN, FANCY BROWN-YELLOW DIAMOND AND DIAMOND RING Containing one pear shaped fancy brown-yellow diamond weighing 5.36 carats and eight oval brilliant cut diamonds weighing approximately 1.90 c

A 14K White Gold, Diamond, and Colored Diamond Ring 1.74 Carat Cut-Cornered Rectangular Modified Brilliant Yellow Diamond, GIA Certified A ladies 14K white gold ring centering a 1.74 carat fancy inten

White Gold, Colored Diamond, Diamond and Emerald Ring 18 kt., 2 round near colorless and yellow diamonds weighing 2.26 cts., 10 French-cut emeralds, ap. 2.3 dwts. Size 7. The two diamonds have been we