Lucara Diamond Corp has recovered a 1.111 ct diamond at the Karowe mine in Botswana.
The second largest gem quality stone ever mined is the most important discovery is recent history.
The diamond second only to the legendary Cullinan diamond, which was recovered in South Africa in 1905 and weighed 3,106.75 carats.
The 1.111ct rough diamond is a white Type IIa diamond considered the purest form of diamond.