Fine Diamond Ring, by Boucheron. Photo courtesy Tiancheng International Auctioneer Limited

Centring on an asscher-cut diamond weighing 8.03 carat, framed by scalloped pavé-set diamonds, further to a fringe composed of 12 oscillating briolette diamonds. Signed Boucheron and numbered E02053. Accompanied by an original signed fitted box. US$390,000 - 465,000

Accompanied by GIA report numbered 2115962720 dated 06 April 2010, stating that the 8.03 carat diamond is G colour, with very good polish and symmetry, VS1 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/