The earrings are sterling silver and handcrafted by a Navajo artist. The piece is signed and stamped for its authenticity. The earrings come with a certificate of authenticity, as well. The stones that are featured in the piece is, Royston turquoise, lapis, mother of pearl, onyx, red and orange oyster shell. The length of the earrings is 1.5 inches. A great piece you can wear everyday!