18kt yellow gold diamond stud earring18kt recycled gold bezel setting white diamond FG VS1 2 diamond colour and clarity hand hammered effect butterfly fastening for pierced ears Please consider that this is sold as a single earring. Includes a GIA report. This certification from the Gemological Institute of America assesses diamonds' authenticity as well as cut, colour, clarity and carat weight. Normal everyday use and external agents may reduce the lustre of gemstones and gold surfaces.