Marquise-shaped diamond ring

Set with a marquise-shaped diamond weighing 5.11 carats, mounted in 18 karat white gold, with French Assay Mark. Ring size: 7¼. Estimate 2,000,000—2,800,000 HKD

NOTE: Accompanied by GIA report numbered 16357010, dated 27 November 2007, stating that the 5.11 carat diamond is D colour, Internally Flawless clarity, with Excellent Polish; also accompanied by a GIA Diamond Type Classification Grading Report stating that the 5.11 carat diamond has been determined to be a Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency.

Sotheby's. Magnificent Jewels & Jadeite. 07 Apr 09. Hong Kong www.sothebys.com photo courtesy Sotheby's