GENEVA (AP) — A rare Burmese ruby in a platinum ring with diamonds sold for $30.3 million at auction, setting a world auction record for any ruby and for any stone by Cartier, according to Sotheby’s.
The current record for a ruby sold at auction was achieved by the Sunrise Ruby. This 25.59-carat Burmese stone hammered down for $30.3 million at Sotheby’s Geneva in May 2015. This price also ...