I hand crafted these genuine sterling silver and turquoise stud earrings. Genuine turquoise and genuine sterling silver. Hand stamped on the back of the earrings, 925 and also my maker's mark. The sterling silver bezel and the posts to these earrings are all hand crafted. They measure 1/2 inch round. These earrings come gift boxed and also include my studios business card with my contact information.