petra diamonds

Blue diamond discovered at Cullinan mine in South Africa

A 29.6-carat blue diamond has been discovered at Cullinan mine in South Africa. The stone was recovered by Petra Diamonds…

11 years ago

Blue diamond unearthed at Cullinan mine in South Africa

A rare blue diamond has been unearthed at Cullinan mine in South Africa. The 25.5-carat stone was recovered by Petra…

12 years ago