A number of 1 diamonds have become 2 because of the size. The largest of all known diamonds is the Cullinan, which was discovered in South Africa in 1905 and was presented to Edward VII, king of the United Kingdom of Great Britain and Northern Ireland, by the government of the Transvaal. The Cullinan weighed 3, 106 carats before cutting and was pronounced by crystallographers to be a fragment of a 3 larger stone. When the stone was cut, a total of 105 gems were produced, weighing 1, 063 carats in all. The largest of these was a stone called the Star of Africa, the biggest cut diamond in 4, and now set in the British 5 scepter.