Lot 244. A rare 10.07 carats Type IIa cushion modified brilliant-cut fancy intense purple-pink diamond and diamond ring. Estimate $8,000,000 – $12,000,000. Photo Christie's Image Ltd 2016

Set with a cushion modified brilliant-cut fancy intense purple-pink diamond, weighing approximately 10.07 carats, flanked on either side by a triangular-shaped diamond, ring size 6 1/4, mounted in platinum and gold

Accompanied by report no. 13106271 dated 10 March 2016 from the from the GIA Gemological Institute of America stating that the diamond is fancy intense purple-pink, natural color, VS1 clarity; accompanied by a working diagram indicating that the clarity may be improvable

Accompanied by a supplemental letter stating that the diamond has been determined to be a Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency. Type IIa diamonds were first identified as originating from India (particularly from the Golconda region) but have since been recovered in all major diamond-producing regions of the world. Among famous gem diamonds, the 530.20 carat Cullinan and the 105.60 carat Koh-i-noor, are examples of Type IIa

Christie's. MAGNIFICENT JEWELS & THE JUBILEE RUBY, 20 April 2016, New York, Rockefeller Plaza