A stud of amethyst can be worn on its own or with a simple open hoop ear jacket of 14K gold; Amethyst: 8mm diameter; 14K yellow gold; 0.55" diameter; Hoop ends in a stud, no closure; Almost all gemstones and blue and black diamonds have been treated to enhance their beauty and require special care; Photo may have been enlarged and/or enhanced; All gemstone carat weights (tcw) are approximate; variance may be 0.05 carat.; Imported