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 ...
A 55.22-carat ruby, the world's largest ever found, is "estimated to achieve in excess of $30 million" at Sotheby's June auction, PEOPLE confirmed One of the largest rubies ever found is expected to ...