A 27.17 carats cushion-cut Ceylon  sapphire and diamond ring. Estimate $250,000 – $350,000. Photo Christie's Image Ltd 2015.

Set with a cushion-cut sapphire, weighing approximately 27.17 carats, trimmed with fourteen circular-cut diamonds, each weighing approximately 0.33 to 0.30 carat, mounted in platinum

With report CS 39427 dated 29 January 2008 from the American Gemological Laboratory stating that it is the opinion of the Laboratory that the origin of this sapphire would be classified as Ceylon Type. Enhancement: Heat

With fourteen reports dated from 5 April to 25 June 2012 from the Gemological Institute of America stating that the diamonds range from E to F color and from VVS2 to VS1 clarity

Please note that one report is over five years old and may require an update.

Christie's. MAGNIFICENT JEWELS, 14 April 2015, New York, Rockefeller Plaza