Its size and color make it very unusual. When you think of the history of people mining diamonds, only one diamond has ever been found that has produced a dark-blue diamond the size and quality of ...

One random day of teenage tomfoolery we decided to ski every black diamond run on Ajax. We got through about half-a-dozen randomly chosen runs, looked at our watches and determined, in offhand ...

Rio Tinto (ASX, LON,: RIO) has unearthed a 158.20-carat gem-quality yellow diamond at its Diavik ... marketing for Rio Tinto’s diamonds business said. The mining company has said it is committed ...

The mining concession is for a ... which are characterised by high-quality diamonds and minimal overburden. Having recently commissioned a new diamond processing plant, DBM is now actively ...

Africa-focused Petra Diamonds (LON: PDL ... The move has injected volatility into the global diamond market. Petra, which holds the world’s third-largest diamond resource, said the decision ...

The Canadian miner announced the termination of the project manager JDS Energy & Mining’s contract ... CEO of Lucara Diamond. The Karowe open pit mine, situated in Botswana, has yielded some of the ...