A diamond necklace that has been worn at two British coronations, and is thought to have stones from the infamous necklace at ...

It is thought that some of the diamonds may have come from the necklace linked to a scandal that contributed Marie-Antoinette ...

The decline of diamonds as a store of wealth is accelerating as low-cost laboratory gems seize more of the market.

The Portland Diamond Project, a private group of baseball supporters that for years has aspired to bring a Major League ...