An unmounted diamond weighing 15.02 carats

Estimate $1,322,052 - $1,944,194 - Price Realized $1,682,375

Accompanied by report no. 2105514589 dated 23 January 2009 from the Gemological Institute of America stating that the 15.02 carat diamond is D colour, flawless clarity, with excellent cut and symmetry

Also accompanied by a supplemental letter stating the 15.02 carat diamond has been determined to be a type IIa. 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. jewels: The Hong Kong Sale. 26 May 2009. Hong Kong www.christies.com