Rare and important fancy vivid pink diamond and diamond ring. Photo Sotheby's

Centring on a pear-shaped fancy vivid pink diamond weighing 5.03 carats, flanked on each side by a shield-shaped diamond together weighing approximately 1.50 carats, mounted in platinum. ESTIMATE 42,000,000-52,000,000 HKD

NOTE: Ring size: 5¾
Accompanied by GIA report numbered 17155372, dated 18 April 2008, stating that the 5.03 carat diamond is natural, Fancy Vivid Pink colour, VS2 clarity; also accompanied by Stephen C. Hofer letter, stating that "The 5.03 carat Fancy Vivid pink diamond, is one of the most beautiful, rare, and important natural pink diamonds in the world."

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