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23 septembre 2013

Exceptionally rare and highly important fancy vivid blue diamond, pink diamond and diamond ring

HK0478_1925_web

HK0478_1925_002web

Exceptionally rare and highly important fancy vivid blue diamond, pink diamond and diamond ring. Photo: Sotheby's.

Centring on a brilliant-cut fancy vivid blue diamond weighing 7.59 carats, surrounded by brilliant-cut pink diamonds together weighing approximately 1.70 carats, to shoulders set with brilliant-cut diamonds, mounted in platinum. Ring size: 6. Estimate Upon Request

Accompanied by GIA report numbered 2155041817, dated 1 April 2013, stating that the 7.59 carat diamond is natural, Fancy Vivid Blue colour, Internally Flawless clarity; also accompanied by diamond type classification report stating that the diamond is determined to be a Type IIb diamond. Type IIb diamonds are very rare in nature and contain small amounts of boron that can give rise to a blue or gray coloration. Further accompanied by a GIA monograph, stating that "The Premier Blue is the largest round brilliant, fancy vivid blue, internally flawless diamond that GIA has ever graded." (April 2013) 
 
Sotheby's. Magnificent Jewels and Jadeite. Hong Kong | 07 oct. 2013 - http://www.sothebys.com
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