Genuine amethyst & diamond stud earrings. There are 2 round 4mm natural amethysts & 2 round diamonds that are 0.03 ct tw, SI1-2 in clarity and G-H in color set in the earrings. Earring dimensions are 7.6x5.3mm in size and available in white, yellow, and rose gold; as well as platinum. Amethyst is the birthstone of February. Amethyst encourages the wearer humility and wisdom. It was also believed those wearing amethyst would keep their mind clear.