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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.
The Briolette of India is a colourless (D-coloured), clear diamond. It is cut in a briolette shape, an exaggerated form of double rose cut. The diamond weighs 90.38 carats (18.076 g). It is D-color and a type IIa diamond, which are the purest type of diamonds with no chemical impurities or plastic deformations in the crystal.
Discovered in 2015, it is the 5th largest diamond ever discovered at the Crater of Diamonds State Park, Arkansas Identified as a Type IIa crystal, the 8.52 carat diamond was cut and polished by Mike Botha into a custom-designed 4.605 carat Triolette shape during a week long event in North Little Rock and was graded a D IF, 0 Polish & 0 Symmetry ...
Founded in 1789, by German immigrant businessmen Georg Carl Backes and (later on) Max Strauss, the company is the oldest diamond company in the world. [1] By the early 19th century, Georg Carl Backes was a successful goldsmith in the city of Hanau, Germany. During this time, his company (originally named Backes & Co.) had done so well that he ...
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]
In light of the news that Queen Camilla will wear Queen Mary's Cullinan-studded crown for her coronation, T&C takes another look at these nine magnificent gems cut from the largest diamond ever found.
Diamonds are mined in about 25 countries today yet Botswana is still one of the world’s leading ones, especially now with its recent unique discovery. The post Miners Find The Second Biggest ...
Golconda diamonds are graded as Type IIa, are formed of pure carbon, are devoid of nitrogen, and are large with high clarity. They are often described as diamonds of the first water, making them among history's most-celebrated diamonds. The phrase "Golconda diamond" became synonymous with diamonds of incomparable quality.