Lot 246. A 18.41 carats Burma cushion-cut sapphire and diamond ring. Estimate USD 400,000 - USD 500,000. Price realised USD 487,500. © Christie’s Images Limited 2017.

Set with a cushion-cut sapphire, weighing approximately 18.41 carats, to the baguette and single-cut diamond shoulders, ring size 6 1/4, mounted in platinum

Accompanied by report no. CS 1081188 dated 25 January 2017 from the AGL American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of this sapphire would be classified as Burma (Myanmar), with no evidence of heat or clarity enhancement

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