Diamond and coloured diamond ring. Photo courtesy Tiancheng International Auctioneer Limited

Centring on an emerald-cut diamond weighing 5.47 carats, within a pink diamond surround, pavé-set diamond to half shank. Mounted in 18 karat white and rose gold. Ring size: 6. Estimate US$67,000 - 80,000

Accompanied by GIA report numbered 13783291 dated 01 November 2004, stating that the 5.47 carat diamond is K colour, VS2 clarity.

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/