OSCAR HEYMAN, A Diamond and Gold Necklace.

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

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

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 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 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 & 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

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 Friedman 14 kt. White Gold and Diamond Necklace, central prong set round brilliant cut diamond, wt. approx. 1.65 cts., 7.34-7.38 x 4.71 mm, G color, SI3 clarity; mounted with 222 prong set gradu

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

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

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 FRIEDMAN 14K GOLD BURMESE RUBY & 654 DIAMOND NECKLACE: 14K yellow gold necklace marked Oscar Friedman, mounted with 40 genuine faceted rubies weighing approximately 41.39 carats, and 654 genuine

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

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

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 & 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

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 & 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

14K Yellow Gold Oscar Friedman Link Necklace, the eighteen oval links mounted with an oval cabochon turquoise stone, joined by nine circular links mounted with round diamonds, and a center diamond mou

Hammerman Bros. Topaz, Diamond, Gold Necklace  Stones: Triangular-shaped blue topaz weighing a total of 111.93 carats; full-cut diamonds weighing a total of 17.94 caratsMetal: 18k goldMarked: HB

Diamond, Gold Necklace, Black, Starr & Frost The necklace features full-cut diamonds weighing a total of approximately 15.00 carats set in 18k gold marked BS&F for Black, Starr and Frost Gross weight

Diamond, Gold Necklace& The curb link necklace features full-cut diamonds weighing a total of app