This unique traditional green jade art nouveau ring channels organic and opulent shapes jade gemstones are thought by many to be auspicious bringing luck and good fortune to the wearer once used as a substitute for the shine of a diamond the natural semi precious gemstone marcasite is now celebrated for its lustre and metallic beauty together in this fine fashion 925 sterling silver ring design pastel green jade and marcasite make a beautiful couple and an on trend addition to your jewelle