Lot 155. A superb 10.30 carats, Internally Flawless clarity fancy vivid orangy yellow octagonal step-cut diamond ring. Estimate CHF 2,000,000 - CHF 3,000,000 (USD 2,016,474 - USD 3,024,712). Price realised CHF 2,107,500. Photo Christie's Images Ltd 2016.

Set with a fancy vivid orangy yellow octagonal step-cut diamond, weighing approximately 10.30 carats, between tapered baguette-cut diamonds, ring size 6, mounted in platinum.

Accompanied by report no. 2171402144 dated 23 December 2015 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, 15 November 2016, Geneva