An Oscar Heyman Bros. Diamond and Platinum Ring,

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 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

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 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.

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

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

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 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

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

Title: Oscar Heyman Platinum 1.45 ct Emerald Cut Diamond Ring Metal Purity: Platinum Gemstones: Diamond Carat Weights: 1.45 Size/Dimension: Ring Size: 7.25 Additional Information: Simple and stunning,

View a video of this lot: Click HereCrafted in platinum; set with a oval faceted emerald, weighing approximately 0.77 carat; accented by tapered baguette diamonds, weighing a total of

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 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

Collection of Two Diamond, Platinum Rings. Including one Granat Bros. diamond, engraved platinum ring, size 5 3/4 together with one diamond, platinum ring, size 6 1/4. {Gross Weight: 4.2 dwts}

Genuine Tanzanite and Earth-Mined Diamond Ring.  With its vivid violet color and distinct flashes of red from within and the exceptional quality of diamonds, this ring is truly extraordinary!&nbs

Granat Bros. Synthetic Emerald, Diamond, Platinum Ring. Featuring one square emerald-cut synthetic emerald measuring approximately 6.8 x 6.82 x 4.7 mm, accented by two full-cut and twenty-two single-c

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

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

Granat Brothers, jewelers of San Francisco, wedding band or engagement ring. Hallmarked "Granat", "Platinum/iridium" and inscribed w/ 1935. Cut shank. Ring size 9. Weighs 2.7g. U.S. SHIPPING $15 + INS

Oscar Heyman Diamond, Sapphire, Platinum Brooch Stones: Full-cut diamonds weighing a total of approximately 1.20 carats; square and calibré-cut sapphires Metal&col

OSCAR HEYMAN Art Deco Platinum Diamond Bracelet Weighing 65.1 grams Including letter of authenticity from Oscar Heyman Set with a total of 30.63 Ct. of Diamonds: 66 Square Diamonds weighing 12.39 Ct.

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

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