gold-tone 18K yellow gold round-cut diamonds totaling 0.50ct E colour VVS clatiry bezel setting textured band three stone design 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.