Its rarity and flawless clarity make it one of the most exceptional diamonds ever discovered. Weighing in at 14.62 carats, ...

A rare 10-carat blue fancy diamond could fetch up to $20 million when it goes to auction in Geneva on May 13, auction house ...

From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that redefines luxury.

With historic roots and a royal Indian legacy, the 23 carat Golconda Blue diamond is the largest fancy blue diamond ever put up for auction.

That title belongs to the Hope Diamond, a 45.52-carat gem housed at the Smithsonian National Museum of Natural History in Washington, DC, also donated by Harry Winston. The Oppenheimer Blue ...

If 'The Golconda Blue' went to auction it would have been the largest fancy vivid blue diamond to have been presented at a public sale. Its estimate was $35 - $50 million ...

A rare 10-carat blue fancy diamond could fetch up to $20 million (C$27.8 million) when it goes to auction in Geneva on May 13 ...