AN IMPORTANT UNMOUNTED DIAMOND
AN IMPORTANT UNMOUNTED DIAMOND An unmounted brilliant-cut diamond weighing 18.88 carats Accompanied by report no.513053566 dated 8 February 2011 from the Gemological Institute of America stating that the 18.88 carat diamond is D colour, flawless clarity, with excellent cut, polish and symmetry Also accompanied by a supplemental letter from the Gemological Institute of America stating the 18.88 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
AN IMPORTANT UNMOUNTED DIAMOND
AN IMPORTANT UNMOUNTED DIAMOND An unmounted brilliant-cut diamond weighing 18.88 carats Accompanied by report no.513053566 dated 8 February 2011 from the Gemological Institute of America stating that the 18.88 carat diamond is D colour, flawless clarity, with excellent cut, polish and symmetry Also accompanied by a supplemental letter from the Gemological Institute of America stating the 18.88 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
.jpg "Quelle: Christie's")
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
