Rare 300-carat diamond necklace with links to Marie Antoinette fetches €4.5m in Geneva auction
Rare 300-carat diamond necklace with links to Marie Antoinette fetches €4.5m in Geneva auction
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.