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  2. Diamonds as an investment - Wikipedia

    en.wikipedia.org/wiki/Diamonds_as_an_investment

    Mughal style jewellery has become popular in India recently [when?] featuring uncut diamonds termed "Polki" (which originally referred to a style of cleaving diamonds). [15] [16] The diamonds used in modern polki jewellery are low grade [17] and do not have much investment value, even though polki jewellery can be expensive. The diamonds are ...

  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. Apan Jewellers - Wikipedia

    en.wikipedia.org/wiki/Apan_Jewellers

    Apan Jewellers is a chain of gold and diamond jewelry stores based in Dhaka, Bangladesh. [1] [2] It is the largest jewelry retailer in Bangladesh. [3] [4] History

  5. Kimberley Process Certification Scheme - Wikipedia

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

    In 2014, 100 Reporters published an article showing how the use of KP certificates had allowed for the publication to identify transfer pricing manipulation in South Africa's trade of rough diamond exports, [41] detailing "Most imported diamonds appear to be re-exported uncut and unpolished. While imports make up relatively small volume, or ...

  6. Daria-i-Noor - Wikipedia

    en.wikipedia.org/wiki/Daria-i-Noor

    Login valued the diamond at 63,000 rupees, the equivalent of £6,000 in 1840 which would convert to more than £100 million in 2012. [2] Jewelry associated with the diamond were eleven pearls, eleven additional diamonds, and eleven garnets (known locally as choonee). [2] The total weight was 10.8 tolas in the local weight measurement system. [2]

  7. Diamond cutting - Wikipedia

    en.wikipedia.org/wiki/Diamond_cutting

    The 253-carat Oppenheimer Diamond—an uncut diamond does not show its prized optical properties. In colored diamonds, cutting can influence the color grade of the diamond, thereby raising its value. Certain cut shapes are used to intensify the color of the diamond. The radiant cut is an example of this type of cut.

  8. Lesedi La Rona - Wikipedia

    en.wikipedia.org/wiki/Lesedi_La_Rona

    British jeweller Graff bought the rough diamond for $53 million in 2017. By April 2019, Graff had cut it into one large emerald cut diamond, the Graff Lesedi La Rona , weighing 60.5 grams; 2.1 ounces; 1.9 troy ounces (302.37 carats) and 66 smaller stones.

  9. Herkimer diamond - Wikipedia

    en.wikipedia.org/wiki/Herkimer_diamond

    Herkimer diamonds are double-terminated quartz crystals discovered within exposed outcrops of dolomite in and around Herkimer County, New York, and the Mohawk River Valley in the US. [ 1 ] [ 2 ] They are not diamonds ; the "diamond" in their name is due to both their clarity and well-formed faces.