Fine Jewels And Watches November 2017
拍品 2132:
One loose pear-shaped diamond weighing 10.83 carats
Accompanied by a report from the Gemological Institute of America, stating that the 10.83 carat diamond is D color and Flawless clarity, Ex, Ex, with laser inscription registry and accompanied by a supplemental letter that the diamond has been determined to be Type IIa, report no. 2185575393, dated 17th August 2017
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 I and the 105.60 carat Koh-i-noor, are examples of Type IIa
