Christie’s has announced what is sure to be a blockbuster sale in the jewelry world: the sale of a 23.24-carat fancy Golconda ...

A remarkably rare fancy colour blue diamond with a fascinating backstory will headline an upcoming auction in Geneva, entering the event with an incredible presale estimate.

The Golconda Blue has an estimate of $35-50 million. Here are the reasons why.

A remarkable collection of fancy colour diamonds is on display at the Smithsonian’s National Museum of Natural History after a generous donation.