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  2. Kimberley Process Certification Scheme - Wikipedia

    en.wikipedia.org/wiki/Kimberley_Process...

    These are also sorted by HTS codes for unsorted (gem and industrial) rough diamonds, sorted rough industrial diamonds, and sorted rough gem diamonds – the latter of which is most likely to be polished into finished stones and jewelry for retail sale, while industrial diamonds are most likely to be used in cutting and drilling tools. Failure ...

  3. 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.

  4. Diamond color - Wikipedia

    en.wikipedia.org/wiki/Diamond_color

    Color grading of diamonds was performed as a step of sorting rough diamonds for sale by the London Diamond Syndicate. As the diamond trade developed, early diamond grades were introduced. Without any co-operative development, these early grading systems lacked standard nomenclature and consistency. Some early grading scales were; I, II, III; A, AA, AAA; A, B, C. Numerous terms

  5. List of diamond mines - Wikipedia

    en.wikipedia.org/wiki/List_of_diamond_mines

    Small rough diamonds from Russia. Crystals are about 0.7 to 0.9 mm in size. There are a limited number of commercially available diamond mines currently operating in the world, with the 50 largest mines accounting for approximately 90% of global supply. [1]

  6. Diamond prices are down as people spend more on travel ... - AOL

    www.aol.com/diamond-prices-down-people-spend...

    Prices for rough diamonds — the raw, unpolished, and uncut stones — have dipped in 2023 as many post-pandemic consumers shy away from luxury goods.

  7. Lesedi La Rona - Wikipedia

    en.wikipedia.org/wiki/Lesedi_La_Rona

    The diamond was first given a generic name after the mine (Karowe) and the pipe (AK6) where it was found. [13] On 18 January 2016, Chief Executive Officer William Lamb of Lucara Diamond announced a competition, open to all Botswana citizens, to name the stone. In addition to naming the diamond the winner would receive P25,000 (about $2,170). [14]

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