mining suppliers in kimberley

Petra Diamonds- mining suppliers in kimberley , · Blue Moon. This 12-carat, internally flawless, fancy, vivid Blue Moon diamond was cut from the 29.6 carat rough stone discovered at Petra’s Cullinan mine in January 2014.Petra Diamonds · Blue Moon. This 12-carat, internally flawless, fancy, vivid Blue Moon diamond was cut from the 29.6 carat rough stone discovered at Petra’s Cullinan mine in January 2014.