The ring set in two band, one designed in butterfly shape, features in kingfisher feather, the left band decorated with a floral shape tourmaline gemstone with leafy stems, all set in 18-kart bangle. Size: U.S 6; 7 1/2Background: Tian-tsui is a style of Chinese art featuring kingfisher feathers. For 2,000 years, the Chinese have been using the iridescent blue feathers of kingfisher birds as an inlay for fine art objects and adornment, from hairpins, headdresses, and fans to panels and screens. Kingfisher feathers are painstakingly cut and glued onto gilt silver.