A Black Rhodium 18 Karat Gold, Diamond and Ruby Eiffel Tower Brooch, Boucheron, containing two pear shape brilliant cut diamonds weighing approximately 0.55 carat total and 139 round mixed cut rubies weighing approximately 2.80 carats total.Stamp: (French hallmark and maker's mark) BOUCHERON E00596 OR750. 13.00 dwts.