The 41.28ct blue diamond unearthed at the famous Cullinan Mine, could be one of the most significant gemstones ever to be mined.

GABORONE, Botswana — The largest diamond found in more than a century has been unearthed at a mine in Botswana, and the country’s president showed off the fist-sized stone to the world at a viewing ...

The illustrious Cullinan diamond mine, flagship of London-listed Petra Diamonds, is not only famous for hosting the largest ...

Growing interest around the world for laboratory-grown diamonds poses both threats and opportunities for African economies that depend on their own natural gems. More and more jewellery lovers are ...

Petra Diamonds Limited is pleased to announce that it has recovered a 41.82 carat Type IIb blue diamond of seemingly exceptional quality in terms of both its colour and clarity at the Cullinan Mine in ...

A 170-carat pink diamond discovered in Angola may be the largest such gemstone found in 300 years, according to Australian miner Lucapa Diamond Company. Named the "Lulo Rose," the diamond was found at ...

A diamond miner works in a mine in Mbuji Mayi, Congo, July 31, 2006 (AP photo by Schalk van Zuydam). Click to share on Twitter (Opens in new window) Click to share on LinkedIn (Opens in new window) ...

GABORONE, Botswana — In a village outside Botswana ’s capital, Keorapetse Koko sat on an aging couch in her sparsely furnished home, stunned that a career — and an entire nation’s economy — built on ...

A rare blue diamond weighing almost 42 carats has been unearthed in South Africa’s historic Cullinan Mine, with industry ...