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  2. Rare blue diamonds may be Earth's deepest secret - AOL

    www.aol.com/news/2018-08-02-rare-blue-diamonds...

    Blue diamonds comprise only about 0.02 percent of mined diamonds but include some of the world's most famous jewels. Diamonds are a crystalline form of pure carbon, forming under enormous heat and ...

  3. Diamond color - Wikipedia

    en.wikipedia.org/wiki/Diamond_color

    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 ...

  4. Blue Moon of Josephine - Wikipedia

    en.wikipedia.org/wiki/Blue_Moon_of_Josephine

    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 and the world's most expensive diamond, regardless of color. [1] [2]

  5. Hope Diamond - Wikipedia

    en.wikipedia.org/wiki/Hope_Diamond

    The Hope Diamond is a 45.52 carats (9.104 g; 0.3211 oz) diamond that has been famed for its great size since the 18th century. Extracted in the 17th century from the Kollur Mine in Guntur, India, [1] [2] the Hope Diamond is a blue diamond.

  6. 10 Most Expensive Things Ever Sold at Auction: Oppenheimer ...

    www.aol.com/10-most-expensive-things-ever...

    After the blockbuster film “Titanic” came out, attention to rare blue diamonds swelled, which is perhaps one factor that played into the magnificent sale of the Oppenheimer Blue that had ...

  7. List of diamonds - Wikipedia

    en.wikipedia.org/wiki/List_of_diamonds

    Discovered in 2015, it is the 5th largest diamond ever discovered at the Crater of Diamonds State Park, Arkansas Identified as a Type IIa crystal, the 8.52 carat diamond was cut and polished by Mike Botha into a custom-designed 4.605 carat Triolette shape during a week long event in North Little Rock and was graded a D IF, 0 Polish & 0 Symmetry ...

  8. Diamond (gemstone) - Wikipedia

    en.wikipedia.org/wiki/Diamond_(gemstone)

    In contrast to yellow or brown hues, diamonds of other colors are more rare and valuable. While even a pale pink or blue hue may increase the value of a diamond, more intense coloration is usually considered more desirable and commands the highest prices. A variety of impurities and structural imperfections cause different colors in diamonds ...

  9. 813-karat diamond was just sold as the most expensive diamond ...

    www.aol.com/news/2016-05-09-813-karat-diamond...

    813-karat diamond was just sold as the most expensive diamond in the world. Emily Rella. Updated July 14, 2016 at 10:52 PM. ... 10 desserts around the world that'll cost you over $1,000

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