Gold, Platinum, Colored Diamond, and Diamond Ring, Oscar Heyman & Bros.

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-

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

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 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

Signed 18K yellow gold ring set with calibré cut sapphires and round diamonds. Diamonds apprx 0.65 tdw, apprx G-H color, VVS-VS clarity. Overall weighs 10 grams. Ring size 6.5. Shank is outfitted wit

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 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

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

METAL: Platinum. GEMSTONES: Diamonds approx. 0.25ctw. Sapphire (some stones are chipped). MEASUREMENTS: Ring size 8 1/4, ring top is 5.8mm wide (split shank) . MARKED/TESTED: Numbered, not signed. Eng

Vintage 18k Yellow Gold And Iridium Platinum Men's Ring Featuring Various Colored Diamonds. Size 11 1/4. 18.2g Total Weight. Scroll Through All Photos For Additional Condition Information. Jewelry Mus

Oscar Heyman Sapphire Tapered Baguette Diamond Platinum Swirl Ring Circa: 1970s Diamond total weight approx. 2.50 cts Sapphire approx. 0.75 ct, 5.49mm Ring Size: 6 Head Measurements: 16.22mm (W) x 12.

Oscar Heyman Diamond, Platinum, White Gold Earrings Stones: Full-cut diamonds weighing a total of approximately 1.50 carats; baguette-cut diamonds weighing a total of app

Oscar Heyman Sapphire, diamond, platinum and 18k yellow gold ring featuring (19) full-cut diamonds, weighing a total of approximately 0.70 ct., accented by (14) rectangular-cut sapphires, weighing a t

OSCAR HEYMAN & BROTHERS, YELLOW GOLD, PLATINUM AND DIAMOND FOX BROOCH Containing 27 round brilliant cut diamonds weighing approximately 0.80 carat total and two ruby eyes. 1 inch x 1 1/4 inches. Stamp

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

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

Diamond, Fancy Yellow Diamond, Colored Diamond, Platinum, Gold Ring Stones: Oval-shaped diamond weighing 6.68 carats; oval-shaped fancy yellow diamonds weighi

Oscar Heyman & Brothers Triple Strand Cultured Pearl, Gold, Platinum, Gem-Set and Diamond Bracelet with Pansy Clasp 18 kt., pearls ap. 7.4 to 7.2 mm., 88 round diamonds ap. 3.50 cts., nine French-cut

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

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

Tiffany & Co. Diamond, Colored Diamond, Platinum, Rose Gold Ring Stones: Cushion-cut diamond weighing 0.82 carat; full-cut near colorless diamonds weighi

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