Oscar Heyman 1.40ctw Sapphire & Diamond 18K Ring

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

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 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

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.

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 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

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

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

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

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.

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 & 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

Picchiotti 8.41ct Blue Sapphire, 1.42ctw VS1-VS2/F-G Diamond Solid 18K White Gold Ring W/Coral Accents - This beautiful ring was made by Italian jeweler Picchiotti, and was finely crafted of solid 18k

3.05ct No Heat Burma Blue Sapphire, 0.50ctw VS1-VS2/G-H Diamond & Solid 18K White Gold Ring W/AIGS & AJI Reports - This gorgeous ring was finely crafted of solid 18k white gold, and contains a 3.05ct

13.50ctw Color Change Purple Sapphire, 0.55ctw VS1-VS2/G-H Diamond & Solid 18K White Gold Ring (Comes W/$20,000 Appraisal) - This magnificent cocktail ring was finely crafted of solid 18k white gold,

Sabbadini Milano 7.50ctw Blue Sapphire, 2.75ctw VS1-VS2/G-H Diamond & Solid 18K Yellow Gold Estate Ring (Comes W/$15,000 Appraisal) - This stunning ring was made by Sabbadini Milano, and was finely cr

Chimento Moonrise Collection 9.50ctw Orange Sapphire, 1.50ctw VS1-VS2/F-G Diamond, Yellow Opal & Solid 18K Yellow Gold Ring - This exquisite ring from Chimento's Moonrise Collection has a bombe style

Blue topaz, sapphire, diamond, and 18k white gold ring, centering a 3.50ct checkerboard cut blue topaz, framed by 4ctw of round faceted blue sapphires, and .60ctw of full cut diamonds of F-G color and

Mouawad 1.50ctw Pink Sapphire & Diamond Solid 18K Yellow Gold Ring - This stunning ring was made by the renowned jewelry house of Mouawad, and was finely crafted of solid 18k yellow gold. The brand is

2.45ctw Ruby & Blue Sapphire, 0.50ctw SI1-SI2/G-H Diamond Solid 18K Yellow Gold Ring - This lovely ring was finely crafted of solid 18k yellow gold, and is decorated with approx. 2.45ctw genuine rubie

Brinkhaus Lady's 2.5ct Star Sapphire & Diamond 18k Ring Size 9. Includes an oval natural star sapphire cabochon of 2.5 carats with (36) full cut diamonds of .72ctw. Marked ''Brinkhaus 1181''. It weigh

9.00ct Emerald, 1.40ctw VS1-VS2/G-H Diamond & Solid 18K Yellow Gold 19.5mm Wide Men's Ring (Comes W/$54,000 Appraisal) - This handsome men's ring was finely crafted of solid 18k yellow gold and boasts