Rio Tinto (ASX, LON,: RIO) has unearthed a 158.20-carat gem-quality yellow diamond at its Diavik mine, located 200 km south of the Arctic Circle in Canada’s Northwest Territories. The precious ...

Now the collection is one of the largest of its kind. The diamonds we know best are sparkling and colourless, but this collection ranges in colour from yellow-green to pink. Mike Rumsey, Senior ...

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 ...