These hand-crafted earrings are 925 sterling silver. The 2 main inlaid stones are mother of pearl and turquoise with assorted other smaller natural stones. They are the same inlaid stones on both sides. The inlaid disk itself measures approx. 1 7/8" long x 5/8" wide. They measure approx. 1 3/8" long from the curve of the ear wire.