 | At 13.22 carats it is the largest flawless vivid blue diamond in the world, and on May 14 it was sold to Harry Winston who promptly named it. |  |
 | The largest fancy vivid blue-green diamond in the world to come to auction. Known as “The Ocean Dream,” the 5.50-carat gem sold for $ 8.6m. (est $7.5 to $9.5) “The combination of its size, natural origin, hue, and saturated color makes it an extremely unusual occurrence,” Christie’s said in a statement. A rare 21.41-carat cushion-shaped alexandrite with no indications of treatment and a distinct color-change from green to purple had an estimate of $500,000 to $700,000. It achieved a record price of $ 1.3m. |  |
 | Other diamonds include a 76.51-carat light pink cut-corned diamond set as necklace centerpiece by diamond dealer Lev Leviev with an estimate of $7 to $10 million. It sold for $ 10m. The Cartier Devant de Corsage Brooch realized a staggering $17.5 million, a 660-percent increase having first sold for $2.65 million at Christie’s Geneva back in 1991. |  |
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See ----->http://pennystockjournal.blogspot.ca/2013/08/rare-gemstones-iii.html
