Oscar Heyman 18k Yellow Gold Platinum Diamond Necklace

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, 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

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

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 & 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

12.80ct Aquamarine & Solid 18K Yellow Gold/Platinum 20" Necklace W/Diamond Accents - This beautiful necklace is comprised of a solid 18k yellow gold and platinum 1.5" pendant which hangs on a 20" 18k

Centering one round brilliant-cut diamond weighing 5.02 cts., accented by fifteen round brilliant-cut diamonds weighing a total of approximately 2.25 cttw., set in a platinum and 18k yellow gold engr

18k yellow gold and platinum, stamped: VCA 41211-1 The gold link necklace suspending a pentagonal pendant topped with platinum and set with eighteen full-cut round diamonds and graded G-H color, VS cl

Vintage CARTIER 18k Yellow Gold & Platinum Weight 75.19gr Diamond Approx 1ct Single Cut VS1 G Detachable Set  Measurement Bracelet 7.5”x0.38”  Necklace 15.5”x0.44” Br

Tiffany & Co Atlas Diamond Platinum and 18k Yellow Gold Necklace You are bidding on an Tiffany & Co Atlas Diamond Platinum and 18k Yellow Gold Necklace More About the Piece: Metal: 18k Yellow Gold + P

Vintage Tiffany & Co multi strand seed pearl and diamond necklace having 21 strand of seed pearls measuring 2.6 mm with four platinum topped 18k yellow gold segments each with 47 Old European round cu

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

1.95ctw Ruby, 1.30ctw VS1-VS2/G-H Diamond Solid Platinum/18K Yellow Gold 20" Necklace - This beautiful necklace is comprised of a solid platinum and 18k yellow gold 1.25" cross pendant which hangs on

METAL; 18k Gold/ Platinum. MEASUREMENTS: Necklace is 16" long, Pendant is 22mm x 17mm. GEMSTONES: White Diamonds approx. 0.58ctw, Yellow diamond approx. 0.37-0.38ct. MARKED: Tiffany & Co, pt9

Tiffany & Co. 1995 Atlas Collection 0.95ctw VS1-VS2/G-H Diamond and Solid 18K Yellow Gold/Platinum Necklace - This fabulous necklace comes from one of the world's most celebrated house of gems and jew

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

Modernist Diamond, Multi-Stone, Platinum, 18k Yellow Gold Pendant Necklace. Featuring one cushion-cut, faceted-top tanzanite measuring approximately 9.25 x 7.42 x 6.4 mm, accented by three full-cut di

18K Yellow Gold South Sea Pearl & Diamond NecklaceWeighing 100.1 gramsSet with 10 South Sea Pearls measuring app. 14.2 – 15.2mmAlong with app. 2.00 Ct. Cognac colored Diamonds16 inches in length

18K Yellow Gold Pearl & Diamond NecklaceWeighing 13.9 gramsSet with 2 PearlsAlong with 13 Diamonds weighing app. 0.25 Ct.17 inches in length

The RBC diamond, approx. 1.0 cts. by formula, with a diamond bail, approx. .30 ct. TW., four prong-set in platinum, on yellow gold chain. 18k. 1/2", 18 1/2". 5.5 dwt.

This is a magnificent yellow gold and diamond rope necklace. It is well crafted from solid 18k yellow gold with white gold accent in a fine polished finish. The necklace boast three long rope style ch