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  2. Golconda diamonds - Wikipedia

    en.wikipedia.org/wiki/Golconda_diamonds

    The pink, cushion-cut, 34.65-carat Princie Diamond used to be part of the Jewels of the Nizams of Hyderabad; it was auctioned in 2013 by Christie's and sold for US$ 39.3 million, which is the highest-recorded auction price for a Golconda diamond and a world record for US$ 1.1 million per carat. [87]

  3. Jacob Diamond - Wikipedia

    en.wikipedia.org/wiki/Jacob_Diamond

    Estimated value. £100 million (2008) The Jacob Diamond, also known as the Imperial or Victoria Diamond, is a colourless diamond from India (or from the Golconda mines) [ 1 ] ranked as the fifth-biggest polished diamond in the world. [ 2 ][ 3 ] The last nizam of the Hyderabad State, Mir Osman Ali Khan, found the diamond in the toe of the shoe ...

  4. Golconda diamonds mining and trading - Wikipedia

    en.wikipedia.org/wiki/Golconda_diamonds_mining...

    Diamond mine in the Golconda region 1725 CE from the collection of Pieter van der Aa—a Dutch publisher known for preparing maps and atlases.. The period of peak production of the Golconda diamonds (in the present-day states Andhra Pradesh and Telangana, India) was under the Qutb Shahi dynasty (16th century – 17th century CE), and the region was also known as the "Golconda Sultanate".

  5. Hope Diamond - Wikipedia

    en.wikipedia.org/wiki/Hope_Diamond

    The Hope Diamond is a large, 45.52-carat (9.104 g; 0.3211 oz), [a] [7] [8] [9] deep-blue diamond, studded in a pendant Toison d ’or. [1] It is a dark greyish-blue color under ordinary light due to trace amounts of boron within its crystal structure, and it exhibits a red phosphorescence under exposure to ultraviolet light.

  6. 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.

  7. Goldsikka ATM - Wikipedia

    en.wikipedia.org/wiki/Goldsikka_ATM

    It can dispense gold coins ranging from 0.5 grams to 100 grams. In the machine, people can use credit or debit card. It gives 24/7 service to their customers and also gives the live price of gold. The gold will be of 24 carat and can store 5 kg gold. It gives pure and hallmarked gold coins.