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  2. Moissanite - Wikipedia

    en.wikipedia.org/wiki/Moissanite

    A moissanite engagement ring Moissanite: emerald cut. Moissanite was introduced to the jewelry market as a diamond alternative in 1998 after Charles & Colvard (formerly known as C3 Inc.) received patents to create and market lab-grown silicon carbide gemstones, becoming the first firm to do so. By 2018 all patents on the original process world ...

  3. How Much Is a Diamond Worth? How To Find the Value of ... - AOL

    www.aol.com/much-diamond-worth-value-diamonds...

    Carats: What a Diamond Weighs. The weight of a diamond is one of these variables that determines a diamond’s worth and is what the general public is most familiar with. The unit of measurement ...

  4. List of largest rough diamonds - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_rough_diamonds

    This is a partial list of the largest non-synthetic diamonds with a rough stone (uncut) weight of over 200 carats (40 grams). [1] The list is not intended to be complete—e.g., the Cullinan (formerly Premier) mine alone has produced 135 diamonds larger than 200 carats since mining commenced.

  5. Gemstone - Wikipedia

    en.wikipedia.org/wiki/Gemstone

    Found all over the world, the industry of coloured gemstones (i.e. anything other than diamonds) is currently estimated at around US$ 1.55 billion as of 2023 and is projected to steadily increase to a value of US$ 4.46 billion by 2033.

  6. Cullinan Diamond - Wikipedia

    en.wikipedia.org/wiki/Cullinan_Diamond

    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 ...

  7. Diamond industry in Israel - Wikipedia

    en.wikipedia.org/wiki/Diamond_industry_in_Israel

    In 2007, when diamonds still constituted almost 24% of Israel's total exports, [12] 12% of world diamonds (by their value) were polished in the country. [13] In 2010 this number decreased to 9%. [14] As of 2016, diamonds amounted to 28% of Israel's total exports and they were still 12% of the world's production. [2] [3]

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