Authentic Hidalgo Enamel 18K Gold Guard bands in red, black or teal enamel. Perfect for stacking with other enamel and diamond Hidalgo bands! this ring is not sizable. red enamel is in 18K yellow gold, black enamel is in 18K white gold, teal enamel in 18K white gold. all bands sold separately. sold as is, size 6.5