Oscar Heyman Diamond and Sapphire Necklace

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

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

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 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

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 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

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-

Ladies Art Deco platinum, diamond and sapphire necklace pendant of tapered form with a central European cut diamond (approximately 1.00 carat), surrounded by sapphire accents and diamond decorated bod

18K Graduated Turquoise Diamond & Sapphire Necklace.Tested 18K Yellow Gold leaf design necklace with 11 oval turquoise stones and blue sapphires and diamonds. Graduated. 32 saphires (approx 2.7 ct) an

METAL: 18k Gold / Platinum. MEASUREMENTS: Necklace is 13 1/2" long and 36mm at widest point . GEMSTONES: sapphires, tourmaline cabochon, diamonds approx. 0.62ctw. MARKED: SG mark, plat, 18k. WEIG

18K WHITE GOLD BUTTERFLY DIAMOND SAPPHIRE NECKLACE Over six hundred sapphires perfectly matched and transitioned from white to blue in a field of white gold fashioned into a butterfly composition with

METAL; 14k Gold. MEASUREMENTS: Necklace is 16" long and 11mm wide. One lisnk is broken - necklace needs repair. GEMSTONES: Diamonds approx. 8.00ctw, Sapphires - approx. 50ctw. MARKED: 14k. WEIGHT

Oscar Heyman diamond emerald circle pin. diamond weight approx. 1.5ct, emerald weight approx. 1.2ct, diameter 1 3/8'', weight 11g

DESCRIPTION: Diamond and sapphire necklace and bracelet set in marked 18K yellow gold. 16-1/2" necklace set with twenty-one round brilliant cut diamonds of .025 to .09 carat each. Approximately .87 ct

14K white gold necklace with diamonds (1-1/5 ct. t.w.) and sapphires (12-1/3 ct. t.w.) necklace. Pear cut and baguette cut sapphires are surrounded by round cut diamonds. Approx 17" L and 18.58 DWT. T

18K Yellow Gold Weight 13.3gr Diamond Approx 1ct Sapphire Approx 1ct Chain Measurements 14inX13in

Stamped Italy 14K, gold woven chain centered "V" form pendant containing 35 small round prong set diamonds, each weighing approx. .02points, 8 round prong set sapphires, total gross weight approx. 8.0

18k gold made in France necklace, featuring curb link design, set with a 6.2mm x 4.7mm sapphire and 4 side diamonds. Necklace is 15.75" long, center section is 10mm wide. Marked: Caplain Paris, French

METAL: 14k Gold. GEMSTONES: Diamonds approx. 1.50ctw. Sapphires. MEASUREMENTS: Necklace is 17" long. MARKED: Effy 14k. WEIGHT: 22.6 grams.Gemstones have not been graded for color and clarity ,and

14k yellow gold ladies melee diamond & sapphire necklace, 17.75 " length. Weight 24 grams

FOR SALE IS THIS LOVELY VINTAGE ESTATE 14K YELLOW GOLD WOMEN'S NECKLACE WITH A V SHAPED DIAMOND & SAPPHIRE PENDANT WITH ABOUT .30cts OF DIAMONDS. NECKLACE MEASURES 16 1/4" LONG AND WEIGHS 9.8g. THIS W

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