AN ART DECO DIAMOND PENDANT NECKLACE
AN ART DECO DIAMOND PENDANT NECKLACE Suspending a detachable pear-shaped diamond, weighing approximately 16.24 carats, from a single-cut diamond line, to the old-mine cut diamond neckchain, mounted in platinum, circa 1920,16 3/4 ins., With report 5171120299 dated 24 April 2015 from the Gemological Institute of America stating that the diamond is D color, Internally Flawless clarity 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
AN ART DECO DIAMOND PENDANT NECKLACE
AN ART DECO DIAMOND PENDANT NECKLACE Suspending a detachable pear-shaped diamond, weighing approximately 16.24 carats, from a single-cut diamond line, to the old-mine cut diamond neckchain, mounted in platinum, circa 1920,16 3/4 ins., With report 5171120299 dated 24 April 2015 from the Gemological Institute of America stating that the diamond is D color, Internally Flawless clarity 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
.jpg "Source: Christie's")
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
