Sure, the white round diamond has long been the classic engagement ring, but many gorgeous options exist beyond that typical style. Some are rendered unique due their setting design, be it modern or vintage-inspired. Others stand out due to their metal, ranging from rose gold to a highly-polished platinum band. A constellation of gemstones is there for one's choosing, including deeply red rubies, ink-toned sapphires, blushing morganites and opalescent pearls. Here, we've selected the most stunning alternative engagement rings from Nordstrom, Macy's, Neiman Marcus and more.