These gorgeous stud earrings are made with genuine Swarovski Crystal Elements in a Deep Amethyst Crystal color. Studs measure 6mm in diameter and 1 CTW each for a total carat weight of 2 CTW. Your choice of gold plated or sterling silver plated with surgical steel posts. Made here in the U.S.A and Amethyst (Deep Purple Crystal) is the birth stone color for February!