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Cullinan Diamond. 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 ...
Neither of these changes makes the diamond appear any larger, and both greatly reduce the sparkle of the diamond. (A poorly cut 1.0-carat (200 mg) diamond may have the same diameter and appear as large as a 0.85-carat (170 mg) diamond.) The depth percentage is the overall quickest indication of the quality of the cut of a round brilliant ...
Originally, the diamond had 169 facets and was 4.1 centimetres (1.6 in) long, 3.26 centimetres (1.28 in) wide, and 1.62 centimetres (0.64 in) deep. It was high-domed, with a flat base and both triangular and rectangular facets, similar in overall appearance to other Mughal-era diamonds which are now in the Iranian Crown Jewels .
The Golden Jubilee Diamond, a 545.67 carat (109.13 g) brown diamond, is the largest cut and faceted diamond in the world. It outweighs the Cullinan I by 15.37 carats (3.07 g). The Golden Jubilee Diamond was discovered in 1985 at the Premier Mine, which is also the origin of the Cullinan diamond (1905) and other notables such as the Taylor ...
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.
August 22, 2024 at 1:49 PM. Botswana is one of the world's leading diamond producers [Lucara Diamond] The second-largest diamond ever found - a rough 2,492-carat stone - has been unearthed in ...
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