At the Premier Mine in Pretoria, South Africa, a 3,106-carat diamond
(above) was discovered during a routine inspection by the mine’s superintendent. Weighing 1.33 pounds, the “Cullinan” as it was christened, was the largest diamond ever found. It was  presented
to Sir Thomas Cullinan, who owned the mine. Cullinan then sold
the diamond to the Transvaal provincial government, and they
presented the stone to Britain’s King Edward VII as a birthday
gift.

The Cullinan Diamond being held by mine superintendent
Frederick Wells.