It’s one of two important blue diamonds being offered at Christie’s New York. The second is a 5.04-carat fancy vivid blue ...
A mysterious black diamond stumped experts for years until one Belgian cutter invented a new machine to shape the 612-carat ...
Journalists swarmed the ships thought to be carrying the diamond—but it was all just a ruse.
Petra Diamonds is using X-ray Transmission technology and AI to hunt for more giant diamonds near the historic town of ...