Unique Fancy Vivid Blue Diamond, pink diamond and diamond ring. Photo Sotheby's

Set with a modified pear double rose-cut diamond weighing 5.00 carats, amid a stylised support set with briolette diamonds together weighing approximately 6.69 carats, decorated with brilliant-cut pink diamonds and diamonds, mounted in 18 karat white and pink gold. ESTIMATE 31,000,000-35,000,000 HKD

NOTE: Ring size: 5½
Accompanied by GIA report numbered 2105498793, dated 10 October 2011, stating that the 5.00 carat diamond is natural, Fancy Vivid Blue colour, VS1 clarity.

 Sotheby's. Magnificent Jewels and Jadeite. Hong Kong | 03 Apr 2012, www.sothebys.com