Lot 1785. Important Pair of D Colour, Flawless Type IIa Unmounted Diamonds, weighing 12.26 and 12.03 carats respectively. Estimate 23,000,000 — 28,000,000 HKD (2,812,826 - 3,424,309 EUR). Photo: Sotheby's.

The two brilliant-cut diamonds weighing 12.26 and 12.03 carats respectively.

Accompanied by two GIA reports numbered 1176371794 and 1172762514, dated 18 July 2016 and 3 October 2016 respectively, stating that the 12.26 and 12.03 carat diamonds are both D Colour, Flawless, with Excellent Cut, Polish and Symmetry; further accompanied by two diamond type classification reports stating that both diamonds are determined to be Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency.

Sotheby's. Magnificent Jewels and Jadeite, Hong Kong, 04 Apr 2017, 02:30 PM