| http://www.w3.org/ns/prov#value | - The very rare 7.59-carat diamond, named Premier Blue, is internally flawless and is the largest round fancy vivid blue diamond graded by the Gemological Institute of America.Courtesy Sotheby'sU.S. Marshals Service Auctions Jewelry, GoldThis image provided by Gaston & Sheehan Auctioneers shows a platinum Rolex watch with oyster and diamonds, one of the items auctioned off June 1, 2013, i
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