18kt yellow gold Nesting Gem diamond tennis bracelet18kt recycled gold bezel setting white diamonds hammered effect finish F VS diamond colour and clarity Normal everyday use and external agents may reduce the lustre of gemstones and gold surfaces. To maintain, use specific, non abrasive products specially meant for cleaning jewellery. Includes a GIA report. This certification from the Gemological Institute of America assesses diamonds' authenticity as well as cut, colour, clarity and carat weight.