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.

Mouawad's 637-ct. L’Incomparable diamond necklace has been named the world’s most expensive necklace by Guinness World Records, according to media reports, with a valuation of $55 million.

Indian businesswoman Sudha Reddy sported the "Amore Eterno" necklace from her personal jewelry collection to the 2024 Met Gala, which features 25 diamond solitaires, 4 heart-shaped diamonds and ...

A diamond-studded necklace thought to be linked to a scandal that hastened the downfall of the doomed 18th century queen of France, Marie Antoinette, sold at auction in Geneva on Wednesday for 4. ...