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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

    US$200–350 million. The Hope Diamond is a 45.52 carats (9.104 g; 0.3211 oz) diamond that has been famed for its great size since the 18th century. Extracted in the 17th century from the Kollur Mine in Guntur, India, [1][2] the Hope Diamond is a blue diamond. Its exceptional size has revealed new information about the formation of diamonds.

  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. Koh-i-Noor - Wikipedia

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

    Today, the diamond is on public display in the Jewel House at the Tower of London. The governments of India, Iran, Pakistan, and Afghanistan, as well as the Taliban , have all claimed ownership of the Koh-i-Noor, demanding its return ever since India gained independence from the British Empire in 1947. [ 16 ]

  8. Mir Osman Ali Khan - Wikipedia

    en.wikipedia.org/wiki/Mir_Osman_Ali_Khan

    Mir Osman Ali Khan acceded as the Nizam of Hyderabad upon the death of his father in 1911. The state of Hyderabad was the largest of the princely states in colonial India. With an area of 86,000 square miles (223,000 km 2), it was roughly the size of the present-day United Kingdom.

  9. Great Mogul Diamond - Wikipedia

    en.wikipedia.org/wiki/Great_Mogul_Diamond

    On the lower edge there is a slight crack, and a little flaw in it. Its water is fine, and weighs 319 + 1 ⁄ 2 ratis, which makes 280 of our carats, the rati being 7 ⁄ 8 th of a carat." [6] Most modern scholars are now convinced that the Great Mogul is actually the Orlov Diamond, today part of Catherine the Great's imperial Russian sceptre ...