Kay Jewelers is the No. 1 specialty jewelry brand in the U.S. and boasts more than 900 stores. The location at the St. Louis Galleria contains a huge selection of engagement rings, necklaces, bracelets, watches and other fine jewelry brands. It can create and personalize almost every piece and offers diamond guidance and education prior to making that special purchase. Kay offers financing through a store credit card and a full online catalog including clearance items. Gold exchange for cash or credit is available at the store.