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  2. List of synthetic diamond manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_synthetic_diamond...

    Synthetic diamonds are produced via high pressure, high temperature or chemical vapor deposition (CVD) technology. These diamonds have numerous industrial and commercial uses including cutting tools, thermal conductors and consumer diamond gemstones.

  3. Synthetic diamond - Wikipedia

    en.wikipedia.org/wiki/Synthetic_diamond

    Lab-grown diamonds of various colors grown by the high-pressure-and-temperature technique. A synthetic diamond or laboratory-grown diamond (LGD), also called a lab-grown diamond, [1] laboratory-created, man-made, artisan-created, artificial, synthetic, or cultured diamond, is a diamond that is produced in a controlled technological process (in contrast to naturally formed diamond, which is ...

  4. Cullinan Diamond - Wikipedia

    en.wikipedia.org/wiki/Cullinan_Diamond

    The Cullinan Diamond is the largest gem-quality rough diamond ever found, [2] weighing 3,106 carats (621.20 g), discovered at the Premier No.2 mine in Cullinan, South Africa, on 26 January 1905. It was named after Thomas Cullinan, the owner of the mine. In April 1905, it was put on sale in London, but despite considerable interest, it was still ...

  5. 10 Biggest Diamond Companies in the World - AOL

    www.aol.com/news/10-biggest-diamond-companies...

    Russia is the world's largest diamond supplier, as it accounted for one third or 31% of the global diamond production in 2020. Finally, the global market for lab grown diamonds is highly evolving.

  6. World's largest blue diamond, 'exceptionally rare' at 15 ...

    www.aol.com/news/worlds-largest-blue-diamond...

    The world's largest blue diamond, "The De Beers Cullinan Blue" now has a price to match its rarity. It's described as "a once-in-a-generation stone." World's largest blue diamond, 'exceptionally ...

  7. Gemesis - Wikipedia

    en.wikipedia.org/wiki/Gemesis

    Gemesis Inc. was a privately held company located in New York City.The company grew synthetic diamonds using proprietary technology.. Gemesis had the world's largest facilities for both the high-pressure high-temperature (HPHT) and chemical vapor deposition (CVD) diamond production methods.

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