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

Nothing says love like a diamond, especially a stunning blue diamond that's now up for auction. Feast your eyes on the largest flawless vivid blue diamond in the world. Weighing 13.22 carats, the ...

Lucara Diamond discovers a 2,036-carat diamond in Botswana, reaffirming Karowe as the world's most incredible mine.

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 ...