Worn at Queen Elizabeth II’s coronation in 1953, the 300-carat diamond necklace sold Wednesday for more than twice its estimate at an auction in Geneva.

The may contain diamonds involved in a scandal surrounding Marie-Antoinette, that would eventually trigger the French Revolution.

Composed of approximately 300 carats of old mine-cut diamonds, the historic piece was once worn during royal coronations and is rumoured to hold ties to the scandal that tainted Marie Antoinette’s reputation.

If you have a couple of bucks lying around and want to splash out on some gems for the festive season, here are a couple of “trinkets” up for grabs next week.

Experts say some of the stones in the piece are a match with the original diamonds central to a royal scandal.

The necklace containing around 300 carats of diamonds was bought by an unidentified woman who put in her bid over the phone, Sotheby's said.

A mysterious diamond-laden necklace with possible links to a scandal that contributed to the downfall of Marie Antoinette, sold for $4.8 million at an auction in Geneva Wednesday.

A diamond necklace, potentially linked to Marie Antoinette, sold for $4.8 million at a Sotheby's auction on Wednesday in Switzerland. The necklace, dating back to the 18th century, features approximately 300 carats of diamonds.