Rahul Kadakia, Head of Jewelry for Christie's Auction House holds "The Blue" diamond in New York, April 11, 2014. Christie's New York is displaying the largest flawless fancy vivid blue diamond ever ... more 
Rahul Kadakia, Head of Jewelry for Christie's Auction House holds "The Blue" diamond in New York, April 11, 2014. Christie's New York is displaying the largest flawless fancy vivid blue diamond ever to appear at auction. The diamond is pegged at $21 million to $25 million and is the highlight of an upcoming Magnifient Jewels sale in Geneva. REUTERS/Carlo Allegri (UNITED STATES - Tags: SOCIETY WEALTH BUSINESS TPX IMAGES OF THE DAY) less 
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Reuters | Photo By CARLO ALLEGRI / REUTERS
Fri, Apr 11, 2014 3:41 PM EDT