A spectacular "D-Flawless" unmounted brilliant-cut diamond weighing 28.88 carats. photo Sotheby's

Estimate: 29,000,000—35,000,000 HKD - Sold 36,500,000 HKD

NOTE: Accompanied by GIA report numbered 5101839274, dated 27 August 2009, stating that the 28.88 carat diamond is D colour, Flawless clarity, with Excellent Cut, Polish and Symmetry; with additional diamond type classification report stating that this diamond has been determined to be a Type lla diamond. Type lla diamonds are the most chemically pure type of diamond and often have exceptional optical transparency.

Magnificent Jewels & Jadeite. 07 Oct 09. Hong Kong www.sothebys.com