A fine brilliant cut diamond and platinum mounted

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, 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

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:

A collection of four ruby and diamond rings including one centering a circular-cut ruby, surrounded by rows of round brilliant and single-cut diamonds, mounted in platinum; one centering a row of chan

Fine 14k two-tone gold diamond bracelet. Features alternating stylized X's and O's, each with a round brilliant-cut diamond mounted in a smooth white gold bezel. Finished with a box-style clasp and sa

A DIAMOND BROOCH, CIRCA 1960 The stylised spray of scroll and foliate design, set throughout with brilliant, single and baguette-cut diamonds, mounted in platinum, diamonds approximately 3.00cts total

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

DE BEERS: DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, weighing 1.26 carats, mounted in platinum, signed De Beers, numbered C93092, partial UK hallmark, ring size approx. I½, maker

DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond weighing 1.50 carats, mounted in platinum, maker's mark DOM, European convention mark, partial UK hallmark, ring size approx. O Footnotes: Ac

A diamond single-stone ring claw-set with a round brilliant-cut diamond, to a plain band, mounted in platinum; together with a baguette and round brilliant-cut diamond half-eternity ring, mounted in p

A diamond single-stone ring claw-set with a cut-cornered square modified brilliant-cut diamond, to a plain band, mounted in platinum; with GIA later inscription number 6107374369, stating that the dia

A DIAMOND TWO-STONE RING, CIRCA 1940 Set with two old brilliant-cut diamonds in a rectangular faceted surround, mounted in platinum, diamonds approximately 1.90cts total, numbered, indistinct maker&#8

A DIAMOND SINGLE-STONE RING, BY BULGARI The central brilliant-cut diamond weighing 0.79ct within a four-claw setting, to a gallery pavé-set with similarly-cut diamonds, mounted in platinum, signe