Spectacular diamond necklace, Nirav Modi. Photo Sotheby's

Set with seventeen brilliant-cut diamonds weighing 10.51 carats to 1.27 carats, spaced by brilliant-cut and marquise-shaped diamonds, the diamonds together weighing 85.33 carats, mounted in platinum, length approximately 420mm. Estimation 57,000,000 — 68,000,000 HKD

Accompanied by seventeen GIA reports, stating that the seventeen diamonds weighing 10.51 to 1.27 carats are D colour, Flawless to Internally Flawless clarity, with Excellent Cut, Polish and Symmetry; further accompanied by diamond type classification reports stating that the diamonds are determined to be a Type IIa diamonds. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency. Also accompanied by forty GIA reports, stating that the diamonds weighing 0.72 to 0.30 carat are D colour, Internally Flawless clarity, one 0.30 carat marquise-shaped diamond is VVS1 clarity.

Sotheby's. Magnificent Jewels and Jadeite. Hong Kong | 07 avr. 2014 - www.sothebys.com