Fancy Vivid Orange-Yellow Diamond and Diamond Ring. Photo courtesy Tiancheng International Auctioneer Limited

Centring on a pear-shaped Fancy Vivid Orange Yellow diamond weighing 5.40 carats, flanked by two pear-shaped diamonds together weighing approximately 1.00 carats. Mounted in platinum and 18 karat yellow gold. Ring size: 6. Estimate US$610,000 - 710,000

Accompanied by GIA report numbered 2151127056 dated 05 December 2012, stating that the 5.40 carat diamond is natural, of Fancy Vivid Orange Yellow colour, VS2 clarity. Also, accompanied by GIA report numbered 2136912846 and 2136931215 dated 07 September 2012 and 10 September 2012, stating that the 0.50 and 0.51 carat diamond are D colour, VVS2 and VS2 clarity respectively.

Tiancheng International Auctioneer Limited. SPRING AUCTION 2013 JEWELLERY AND JADEITE. 15 Jun · 3 pm. Hong Kong Headquarters 30/F Bank of China Tower 1 Garden Road, Central Hong Kong http://www.tianchengauction.com/