Petra Diamonds has found a large 121.26 carat white diamond at the Cullinan mine in South Africa.
The rough diamond is a Type II diamond of exceptional colour and clarity, and is an outstanding example of the large, high quality diamonds for which the Cullinan mine is known.
The Cullinan mine is north east of Pretoria in South Africa, and was home to the largest rough gem diamonds ever discovered, the 3,106 carat Cullinan diamond.