Genuine amethyst & diamond hoop earrings. There are 2 round natural amethyst that measures 2mm in size and 18 round diamonds that are about 0.125 ct tw, SI1-2 in clarity and G-H in color. Earring dimensions are 13.6x13.6 mm in size with hinge back, 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.