Cullinan Diamond
The Cullinan Diamond is the largest gem-quality rough diamond ever found, weighing , discovered at the Premier No. 2 mine in Cullinan, South Africa, on 26 January 1905. It was named after Thomas Cullinan, the mine's chairman.
Cullinan, Gauteng
On 25 June 1905, the famed Cullinan Diamond, the largest in the world at , was discovered by Frederick George Stanley Wells, surface manager of the Premier Diamond Mining Company. It was bought by the Transvaal government and presented to King Edward VII.