Lot 286. An impressive 30.01 carats diamond ring. Estimate USD 700,000 - USD 1,000,000. Price realised USD 919,500. © Christie’s Images Limited 2017.

Set with an oval brilliant-cut diamond, weighing approximately 30.01 carats, to the circular-cut diamond gallery and half hoop, ring size 7, mounted in platinum.

Accompanied by report no. 6173711620 dated 7 February 2017 from the GIA Gemological Institute of America stating that the diamond is I color, VS1 clarity, with excellent polish and symmetry 

Christie's. Magnificent Jewels, 26 April 2017, New York, Rockefeller Center