Platinum mounted brilliant cut diamond

Raymond C. Yard Diamond Penguin Brooch platinum, the brooch mounted with round brilliant-cut diamonds weighing approximately 2.50 carats in total, accented with black enamel, stamped "YARD". size 1-1/

Diamond Brooch platinum, the brooch mounted with round brilliant-cut diamonds weighing approximately 1.43 carats in total, and accented with a round-cut treated ruby for the eye, weighing approximatel

A diamond solitarecentering an old European-cut diamond weighing 3.18 carats, flanked by baguette and round brilliant-cut diamonds, mounted in platinum.Size: 7 1/4 (arthritic shank)

GIA Certified 10.12ct Bluish Violet Tanzanite Surrounded By 0.97cts G-H VS2-SI1 Round Brilliant Cut Diamonds Mounted In Platinum. 18 Inch Chain. 12.9 Grams Total Weight. Scroll Through All Photos For

DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, mounted in platinum, diamond approx. 1.00ct, London hallmark, ring size approx. H½ For further information on this lot please visit Bo

JOHN DONALD: DIAMOND SINGLE-STONE RING, 2003 Set with a brilliant-cut diamond, mounted in platinum, diamond approx. 1.00ct, maker's mark JAD, London hallmark, ring size approx. M Footnotes: From a Pri

BOODLES: AQUAMARINE AND DIAMOND 'FIREFLY' RING, 2006 Set with marquise-cut aquamarines and diamonds, between shoulders set with brilliant-cut diamonds, mounted in platinum, diamonds approx. 1.15cts, s

Tiffany platinum, diamond and sapphire earrings mounted with 12 round brilliant cut sapphires 2.44 cts. approximate total, accented by 28 round brilliant cut diamonds, mounted in platinum. Stamped, "T

TWO DIAMOND RINGS 1st: Set with an oval-cut diamond, 2nd: Set with a quatrefoil of brilliant-cut diamonds, mounted in platinum, 1st: diamond approx. 0.75ct, 2nd: diamonds approx. 1.30cts total, Europe

66 natural sapphires and brilliant cut diamonds mounted in platinum earrings,… .072 TW, Diamonds…1.26 carat sapphire stones..graded GH, VS…with appraisal $5,535.00

DIAMOND CROSS PENDANT AND DIAMOND EARSTUDS 1st: Of Latin cross design, set with brilliant-cut diamonds, mounted in platinum, 2nd: Each set with a brilliant-cut diamond, 1st diamonds approx 0.70cts tot

JOHN DONALD: SAPPHIRE AND DIAMOND RING, 2001 The oval-cut sapphire between brilliant-cut diamonds, mounted in platinum, diamond approx. 0.40ct total, maker's mark JAD, London hallmark, ring size appro

Two gem-set bracelets one set with sugarloaf sapphires and round brilliant-cut diamonds mounted in platinum topped fourteen karat gold; the other set with dyed jadeite and round brilliant-cut diamonds

Diamond Ring platinum, the ring mounted with a central round brilliant-cut diamond weighing approximately 1.40 carats, approximate color I and clarity I2, accented by baguette- and round brilliant-cut

Tiffany & Co. Diamond Engagement Ring platinum, the solitaire ring mounted with a round brilliant-cut diamond weighing 0.86 carats, color F and clarity VVS1, together with the original box and papers,

Diamond Engagement Ring platinum, the ring mounted with a central round brilliant-cut diamond weighing approximately 1.00 carat, approximate color G and clarity VVS2, accented by single-cut diamonds w

DIAMOND RING, 1998 Set with a princess-cut diamond of yellow tint, within a brilliant-cut diamond surround, mounted in platinum, principal diamond weighing approx. 0.85ct, diamond untested for origin

Diamond and Sapphire Ring platinum, the ring mounted with a central round brilliant-cut diamond weighing approximately 0.63 carats, approximate color G and clarity VS2, surrounded by square-cut sapphi

Diamond and Sapphire Pendant on Chain platinum, the pendant mounted with baguette- and round brilliant-cut diamonds weighing approximately 0.31 carats in total, accented by a half oval-cut treated sap

DIOR: TWO 'BOIS DE ROSE' RINGS1st: Brilliant-cut diamonds, 2nd: Mounted in platinum, 1st: diamonds approx. 0.55ct total, signed Dior, maker's mark, numbered, French assay mark, 2nd: signed Dior, maker

DIAMOND SINGLE-STONE RING Set with a cushion-shaped diamond, between bifurcated brilliant-cut diamond-set shoulders, mounted in platinum, maker's mark, London hallmark, ring size approx. O Footnotes:

Art Deco Diamond Ring platinum, the ring mounted with European-, round brilliant- and single-cut diamonds wieghing approximately 0.30 carats in total. size 5, total weight 3.1 grams

A DIAMOND ETERNITY RING, BY CARTIER The continuous line of brilliant-cut diamonds within claw-setting, mounted in platinum, signed Cartier Paris, with maker's mark (indistinct), French assay mark, rin

FOUR RINGS BY JOHN DONALD AND A DIAMOND ETERNITY RING 1996-2004 1st: Set with a princess-cut diamond, weighing 0.40cts, mounted in platinum, 2nd: Set throughout with brilliant-cut diamonds, in 18 cara