Colourless Precious Stone
The colourless Cullinan, is the biggest diamond ever found, weighed 0,62kg (one and a quarter pound) uncut.The world's biggest diamond was found in South Africa in 1905. It weighed 3,106.75 carats uncut. It was cut into the Great Star of Africa, weighing 530.2 carats.
The Lesser Star of Africa, which weighs 317.40 carats, and 104 other diamonds of nearly flawless colour and clarity now form part of the British crown jewels.

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