Oscar Heyman sapphire, diamond, 18k yellow gold and

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

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

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

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 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

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

Sapphire, Diamond, 18k Yellow Gold Jewelry Suite. Including a bracelet featuring eighty-eight square-cut sapphires weighing a total of approximately 3.50 cttw., accented by sixty princess-cut diamonds

Cartier Pink Sapphire, Diamond, 18k Yellow Gold Fleur-de-lis Pendant Brooch. Designed as a fleur-de-lis, featuring twenty-nine round-cut pink sapphires weighing a total of approximately 2.00 cttw., ac

Turquoise, Sapphire, Diamond, 18k Yellow Gold Necklace. Composed of one hundred and sixty-five graduating turquoise beads ranging in size from approximately 9 to 7 mm, completed by an 18k yellow gold

Sapphire, Diamond, 18k Yellow Gold Necklace. Featuring seven oval-cut sapphires weighing a total of approximately 3.85 cttw., accented by twelve full-cut diamonds weighing a total of approximately 0.1

Fouts "Topkapi" Sapphire, Diamond, 18k Yellow Gold Archer's Ring. Centering twenty full-cut diamonds weighing a total of approximately 0.50 cttw., accented by twelve baguette-cut sapphires weighing a

Very fine pear cut sapphire and round brilliant cut diamond ring featuring a modern bypass design in luxurious solid 18k yellow gold. Perfectly matched pear cut sapphires are bezel set, accented by ei

Sapphire, Diamond, 18k Yellow Gold Ring. Centering one oval-cut sapphire weighing approximately 1.85 ct., accented by full-cut and baguette-cut diamonds weighing a total of approximately 1.00 cttw., s

Sri Lanka Pink Sapphire, Diamond, 18k Yellow Gold Ring. Featuring one oval-cut pink sapphire weighing approximately 1.85 ct., accented by single-cut diamonds weighing a total of approximately 0.15 ctt

Pair of Sapphire, Diamond, 18k Yellow Gold Earrings. Each featuring one oval-cut, round-cut and pear-cut sapphire weighing a total of approximately 1.15 cttw., accented by thirteen full-cut diamonds w

Salavetti Sapphire, Diamond, 18k Yellow Gold Butterfly Ring. Designed as a butterfly, the wings accented by numerous round-cut yellow sapphires and diamonds, set in an 18k yellow gold mounting. {Size

Sapphire, Diamond, 18k Yellow Gold Bow Brooch. Featuring twenty-five square-cut sapphires weighing a total of approximately 0.60 cttw., accented by fifty-four full-cut diamonds weighing a total of app

Sapphire, Diamond, 18k Yellow Gold Pendant Necklace. Featuring one round shaped sapphire cabochon measuring approximately 16.2 mm, accented by thirty-nine full-cut diamonds weighing a total of approxi

Centering an oval-cut black sapphire cabochon measuring approximately 6.80 x 5.80 mm, highlighted by fourteen full-cut diamonds weighing a total of approximately 0.28 cttw., set in an 18k yellow gold

Collection of Three Black Star Sapphire, Diamond, Yellow Gold Rings. Including one black star sapphire, diamond, 18k yellow gold ring, size 5 1/4; one black star sapphire, diamond, 14k yellow gold rin