The Fist-Sized Diamond Found With a Penknife
On January 26, 1905, a mine manager in South Africa dug the largest gem-quality diamond ever found out of a mine wall with his penknife — the 3,106-carat Cullinan.
On January 26, 1905, a mine manager in South Africa dug the largest gem-quality diamond ever found out of a mine wall with his penknife — the 3,106-carat Cullinan.