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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 interest, it was still ...
The Cullinan Diamond is the largest rough gem-quality diamond ever found, at 3,106.75 carats (621.350 g). [1] It was found by Frederick Wells, surface manager of the Premier Diamond Mining Company in Cullinan, Gauteng, South Africa, on 25 January 1905. The stone was named after Sir Thomas Cullinan, the owner of the diamond mine.
Eventually sold to I. K. Gulland of London, where it was broken up into small pieces as industrial diamond drills. [7] 3106.75: Cullinan Diamond South Africa: Premier Mine: 1905: British Crown (I and II) and Charles III (III–IX) The largest gem-quality diamond ever discovered. 2492 [8] Motswedi Botswana: Karowe Mine [9] 2024: Lucara Diamond ...
The 94.4-carat pear-shaped Cullinan III and the 63.6-carat square-cut Cullinan IV were originally set into Queen Mary's coronation crown (which also held the famous Koh-i-Noor diamond).
Koffiefontein mine is one of the world’s top diamond mines by average value per carat and produces exceptional white and coloured diamonds, a regular proportion of which are of between 5 and 30 carats. In 1994, a 232.34 carat diamond was recovered at Koffiefontein, being the largest rough diamond ever produced by the mine. [12]
The 1,111-carat Lesedi La Rona diamond, also from Botswana's Karowe Mine, was bought by a British jeweler for $53 million in 2017. Another diamond from Karowe, The Constellation, was sold for the ...
The Cullinan kimberlite was discovered in 1902 and in 1903 open pit mining commenced. The mine was named the Premier mine. On 25 June 1905, the famed Cullinan Diamond, the largest in the world at 3,106 carats (621.2 g), was discovered by Frederick George Stanley Wells, surface manager of the Premier Diamond Mining Company.
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 ...