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Fancy-colored diamonds such as the deep-blue Hope Diamond are among the most valuable and sought-after diamonds in the world. In 2009, a 7-carat (1.4 g) blue diamond fetched the then highest price per carat ever paid for a diamond when it was sold at auction for 10.5 million Swiss francs (US$9.5 million at the time) which is in excess of US$1.3 ...
The Aurora Green Diamond is a 5.03-carat (1.006 g) vivid green diamond with VS2 clarity. In May 2016, the Aurora Green became the largest vivid green diamond to ever sell at auction. [ 1 ] The record was previous held by a 2.54 carat Fancy Vivid Green VS1 diamond that was sold by Sotheby’s on November 17, 2009, for $1.22 million per carat ...
The diamond is the largest cushion-shaped blue stone classified as "fancy vivid" ever to appear at auction. [ 2 ] The "Blue Moon" sale, according to David Bennett, the head of Sotheby's international jewellery division, set a record for the highest-ever price per carat and it made the diamond both the most expensive jewel ever sold at auction ...
Tiffany & Co. is planning the most expensive piece of jewelry it’s ever offered for sale. The jeweler recently acquired an 80-carat, oval shape, D color and internally flawless diamond, and will ...
813-karat diamond was just sold as the most expensive diamond in the world. Emily Rella. Updated July 14, 2016 at 10:52 PM. Three Billion Year-Old Diamond Could Fetch $70 Million.
24.78-carat (4.956 g) A 24.78-carat Fancy Intense Pink diamond and, until the sale of the Sweet Josephine diamond in November 2015, it was the most expensive jewel ever sold at auction. Previously owned by Harry Winston and an unnamed private collector, and bought by Laurence Graff (November 2010). [31] —
All diamonds are graded on a scale from D—colorless diamonds—to Z—diamonds with a yellow or brown tint. While a D-graded diamond is often the most in-demand, a stone that falls in the middle ...
The diamond, mounted in a ring, was sold by Sotheby's auctioneers in Geneva, Switzerland on 16 November 2010. Before its sale, the stone was expected to enter the list of the top ten most expensive diamonds in the world; [ 1 ] on selling for US $46 million (£29 million) it became the most expensive single jewel ever sold at auction at that time.