拍品专文
US$550,000-850,000
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细节
A DIAMOND RING
Set with a pear-shaped diamond weighing 6.40 carats, mounted in platinum, ring size 4¾
Accompanied by report no. 2125477174 dated 18 October 2010 from the Gemological Institute of America stating that the 6.40 carat diamond is D colour, internally flawless clarity
Also accompanied by a supplemental letter from the Gemological Institute of America stating the 6.40 carat diamond has been determined to be 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
Also accompanied by report no. 1011063 dated 16 November 2010 from the Gübelin Gemmological Laboratory stating that the 6.40 carat diamond is D colour, VVS2 clarity; accompanied by an appendix and note from the Gübelin Gemmological Laboratory stating that the diamond possesses an antique cutting style which is rarely encounterd in the gem trade today. In addition, the diamond is classified as type IIa (a chemically very pure type of natural diamond). It displays a colour and degree of transparency which are particular to the finest of these unique gemstones. Diamonds of this type, exhibiting an antique cutting style as well as a superior quality, are very rare and will most certainly evoke references to the historic term of "Golconda".
Also accompanied by a note stating that the VVS2 diamond of 6.40 carat described in Diamond Report no. 1011063 may be improved to internally flawless with minor repolishing
Set with a pear-shaped diamond weighing 6.40 carats, mounted in platinum, ring size 4¾
Accompanied by report no. 2125477174 dated 18 October 2010 from the Gemological Institute of America stating that the 6.40 carat diamond is D colour, internally flawless clarity
Also accompanied by a supplemental letter from the Gemological Institute of America stating the 6.40 carat diamond has been determined to be 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
Also accompanied by report no. 1011063 dated 16 November 2010 from the Gübelin Gemmological Laboratory stating that the 6.40 carat diamond is D colour, VVS2 clarity; accompanied by an appendix and note from the Gübelin Gemmological Laboratory stating that the diamond possesses an antique cutting style which is rarely encounterd in the gem trade today. In addition, the diamond is classified as type IIa (a chemically very pure type of natural diamond). It displays a colour and degree of transparency which are particular to the finest of these unique gemstones. Diamonds of this type, exhibiting an antique cutting style as well as a superior quality, are very rare and will most certainly evoke references to the historic term of "Golconda".
Also accompanied by a note stating that the VVS2 diamond of 6.40 carat described in Diamond Report no. 1011063 may be improved to internally flawless with minor repolishing
荣誉呈献
Ellen Mok
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