A Cartier brooch set with diamonds and a 27.54ct Kashmir sapphire broke the record for a Kashmir sapphire jewel when it sold for $6.16 million, bringing the total world records smashed to six at Sotheby’s Magnificent Jewels and Noble Jewels spring auction

A Cartier brooch set with diamonds and a 27.54ct Kashmir sapphire broke the record for a Kashmir sapphire jewel when it sold for $6.16 million, bringing the total world records smashed to six at Sotheby’s Magnificent Jewels and Noble Jewels spring auction.