A diamond and 5.53 carats fancy vivid orangy yellow cushion brilliant-cut diamond ring. Estimate €430,000 – CHF480,000 ($433,139 - $483,504). Photo Christie's Image Ltd 2015

Set with a fancy vivid orangy yellow cushion brilliant-cut diamond, weighing approximately 5.53 carats, between cushion-shaped diamond shoulders, ring size 6, mounted in platinum

Accompanied by report no. 2155882021 dated 27 January 2014 from the GIA Gemological Institute of America stating that the diamond is Fancy Vivid Orangy Yellow colour, Internally Flawless clarity.  

Christie's. GENEVA MAGNIFICENT JEWELS, 10 November 2015, Geneva