Petra Diamonds, which has appointed a new ... development and sustaining capital to $100m per annum” at its South African operations. The Cullinan mine now has a life-of-mine potential to ...

“For the diamond mining sector, this discovery is a stand out moment,” said one source. The largest diamond unearthed was the ...

Petra Diamonds reiterated full-year production guidance on Tuesday following a “solid” second-quarter performance, despite a dip in revenues.