Petra Diamonds Recovers 138.57 Carat Diamond

The white diamond was unearthed at the Cullinan mine in South Africa

Petra Diamonds has recovered a 138.57 ct. white diamond from its Cullinan mine in South Africa.

The stone is a type IIa, D-color diamond.

It will be offered for sale at the company’s late-August sale in Johannesburg.

(Photo courtesy of Petra Diamonds)