It is thought that some of the diamonds may have come from the necklace linked to a scandal that contributed Marie-Antoinette's death, Sotheby's said.

A diamond necklace that has been worn at two British coronations, and is thought to have stones from the infamous necklace at the heart of a Marie-Antoinette scandal, is expected to fetch up to $2.8 million at auction.

A rare diamond necklace with possible links to former French queen consort Marie Antoinette is to be auctioned in November with a price estimate of up to $2.8 million.

A rare antique diamond necklace which was worn at two British coronations is expected to sell for more than £1 million when it goes under the hammer. The 18th century diamond piece of approximately 300 carats was worn to King George VI and Queen Elizabeth ...

Sotheby's will auction an 18th-century necklace with 500 diamonds, potentially linked to Marie Antoinette, on November 11.

A mysterious 18th century necklace made from around 500 diamonds, some of which are believed to have been taken from a piece that contributed to Marie Antoinette's demise, will go on sale in November,