30 octobre 2017

A Superb 8.67 carats Fancy Intense Blue VVS1 clarity Potentially Internally Flawless Type IIb Diamond Ring

Lot 495. A Superb 8.67 carats Fancy Intense Blue VVS1 clarity Potentially Internally Flawless Type IIb Diamond Ring. Estimate CHF 7,500,000 - CHF 10,500,000 (USD 7,528,714 - USD 10,540,199). Price realised CHF 13,137,500. © Christie's Images Ltd 2017 Set with a fancy intense blue rectangular step-cut diamond, weighing approximately 8.67 carats, to the plain hoop, ring size 6 ½, mounted in gold. Accompanied by report no. 2185469086 dated 6 June 2017 from the GIA Gemological Institute of America... [Lire la suite]
Posté par Alain Truong à 23:07 - - Commentaires [0] - Permalien [#]
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25 juin 2014

Siegelson New York at Masterpiece London 2014

Cartier's 1928 Art Deco Turtle clock, to be exhibited by Siegelson at Masterpiece London, features a clock face edged in gold with diamond-set hands in the form of a dragon, hidden inside a turtle’s shell decorated with black and turquoise enamel and ruby cabochons. The Mauboussin diamond cuff bracelet and removable clip brooches that will be exhibited by Siegelson at Masterpiece London. Theodore B Starr's 1920s acrostic stacking rings featuring either a square-cut diamond, a cabochon emerald, a cabochon amethyst or a... [Lire la suite]
18 avril 2014

A rare colored diamond and diamond ring

A rare colored diamond and diamond ring. Photo Christie's Image Ltd 2014 Set with a modified cut-cornered rectangular-cut fancy gray-blue diamond, weighing approximately 5.17 carats, flanked on either side by a trapeze-cut diamond, mounted in platinum. Price Realized $1,145,000 With report 16242445 dated 11 January 2014 from the Gemological Institute of America stating that the diamond is fancy gray-blue, natural color, VVS2 clarity; accompanied by a working diagram indicating that the clarity of the diamond may be potentially... [Lire la suite]