A coloured diamond and diamond ring. Photo Christie's Image Ltd 2013

Set with a rectangular-shaped fancy yellow diamond weighing approximately 15.02 carats, to the square-shaped diamond claws, brilliant-cut diamond gallery and three quarter-hoop, mounted in 18k white gold,ring size 5¾. Price Realized $330,062

Accompanied by report no. 16856650 dated 13 January 2011 from the Gemological Institute of America stating that the 15.02 carat diamond is fancy yellow, natural colour, VS2 clarity

Christie's . HONG KONG MAGNIFICENT JEWELS.28 May 2013. Convention Hall - http://www.christies.com