A model holds a natural pearl and diamond pendant once owned by Marie Antoinette together with wearing...
A model holds a natural pearl and diamond pendant once owned by Marie Antoinette together with wearing a pair of natural drops and a necklace featuring 119 natural pearls during a press preview ahead of the upcoming auction "Royal jewels from the Bourbon Parma Family" at Sotheby's in Geneva November 7, 2018. REUTERS/Denis Balibouse