The rare black, or carbanado, diamond is believed to have been created when a meteorite or an asteroid hit Earth more than 2.6 billion years ago. The Enigma, the largest cut diamond ever to come to ...

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 ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. JOHANNESBURG (AP) — A big pink diamond of ...