A Fancy Vivid Yellow Diamond and Diamond Ring. Photo courtesy Tiancheng International

Centered set with a cut cornered rectangular modified brilliant fancy vivid yellow diamond weighing 3.79 carats, flanked with tapered trapezoid and round diamonds, border - set with fancy vivid yellow diamonds, mounted in platinum and 18k gold. Rise size 6. Estimate HK$1,000,000 - 1,400,000 US$128,200 - 179,500

Accompanied by GIA report *2121221897, dated 02 September 2010 stating that the 3.79 carat diamond is of natural fancy vivid colour, VS1 in clarity.

Tiancheng International. Hong Kong Autumn Auction 2011. 28 Nov 2011 www.tianchengauction.com