Material: 18kt white gold (750/1000). Made in the USA. Stone details I: diamond, 0.6ct, emerald-cut, prong setting, F-G color grade, VS clarity grade. Stone details II: diamond, 0.6ct, emerald-cut, prong setting, F-G color grade, VS clarity grade. Closure: butterfly-back fastening . For pierced ears. This piece features natural diamonds only. White gold. diamond.