A DIAMOND RING
PROPERTY FROM AN AMERICAN PRIVATE COLLECTION
A DIAMOND RING

Details
A DIAMOND RING
Set with a cut-cornered rectangular-cut diamond, weighing approximately 10.74 carats, mounted in platinum
With report 11687998 dated 28 August 2013 from the Gemological Institute of America stating that the diamond is D color, internally flawless clarity, with excellent polish and excellent symmetry; accompanied by a working diagram indicating that the clarity may be improvable

Accompanied by a supplemental letter from the Gemological Institute of America 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 I and the 105.60 carat Koh-i-noor, are examples of Type IIa

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