Lot 208. A diamond and 25.99 carats, Internally Flawless clarity, Fancy Yellow diamond ring. Estimate CHF400,000 – CHF600,000 ($411,364 - $617,045). Photo Christie's Image Ltd 2016

Set with a cushion-shaped fancy yellow diamond, weighing approximately 25.99 carats, between tapered baguette-cut diamond shoulders, ring size 6 æ, mounted in platinum 

Accompanied by report no. 2175324449 dated 24 September 2015 from the GIA Gemological Institute of America stating that the diamond is Fancy Yellow colour, Internally Flawless clarity.

Christie's. GENEVA MAGNIFICENT JEWELS, 18 May 2016, Geneva