Diamond panther bracelet: $5.7 million
Cartier designed this panther bracelet for Wallis Simpson in 1952. Its body is encrusted in diamonds and black onyx, with emeralds for its eyes. The iconic piece of jewelry went to auction at Sotheby’s in 2010 and sold for a record $5.7 million. It also became the most expensive Cartier item to be sold at any auction.