A mysterious black diamond stumped experts for years until one Belgian cutter invented a new machine to shape the 612-carat ...

Queen Elizabeth owned a dazzling brooch cut from the world’s largest diamond. The Cullinan III and IV brooch has an estimated worth of between £50 and £180 million. Elizabeth inherited the diamonds ...

The world's second largest diamond could soon find a new home in a museum or a sheikh's collection -- but first needs to be properly evaluated, the Belgian firm holding it told AFP Monday. Unearthed ...

CANADA (WPVI) -- A giant 552-carat yellow diamond was discovered in a mine located in Canada's Northwest Territories. Dominion Diamond Mines owns 40 percent of the mine where the diamond was found and ...

The brooch had been seized from Napoleon as he fled the Battle of Waterloo. Read more at straitstimes.com. Read more at straitstimes.com.