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

For Kalpesh Patel, Diwali, the festival of lights celebrated across India, might well mark lights out for his eight-year-old diamond cutting and polishing unit. The 35-year-old employs about 40 ...

The Cullinan III and IV brooch has an estimated worth of between £50 and £180 million. Elizabeth inherited the diamonds from her grandmother, Queen Mary. Queen Elizabeth II wore her share of ...

Empress Zita, Karl's widow, and her children later faced persecution by the Nazi regime due to their outspoken opposition to Hitler.

A 170-carat pink diamond discovered in Angola may be the largest such gemstone found in 300 years, according to Australian miner Lucapa Diamond Company. Named the "Lulo Rose," the diamond was found at ...

A famous auction house has unveiled a rare black diamond that is possibly from outer space. On Monday, Sotheby's said, "The Enigma" is a 555.55-carat that will go on exhibit in Dubai, Los Angeles, and ...

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 ...