Why Pearls Are So Expensive | So Expensive

Pearls come in many different colors and sizes, and these variables help determine their value. The most expensive pearl ever sold was Marie Antoinette's pendant. It went for $32 million in a 2018 Sotheby's auction. Celebrities like Rihanna, Uma Thurman, and Cardi B all adorned themselves in pearls for last year's Met Gala.