In a discovery that offers a glimmer of optimism amid a turbulent year for the diamond industry, Rio Tinto ...

IN A TWIST of geological poetry, Rio Tinto’s Diavik Diamond Mine in Canada’s remote Northwest Territories has delivered one ...

Liden, 26, found a 2.20-carat yellow diamond at Crater of Diamonds State Park in Arkansas on May 7, bringing to a close a years-long search for raw materials to create the perfect ring ...

A rare blue diamond was displayed at an exhibition of $100 million worth of the world’s rarest diamonds in the United Arab ...