A rare 300-carat diamond necklace, worn at royal coronations, will be auctioned at Sotheby's Geneva, expected to fetch $2.8 million.

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

Some of the diamonds may have come from a necklace linked to a scandal that eventually led to Marie Antoinette's death, ...

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