platinum polished finish prong setting channel setting brilliant cut G/VS1 white diamonds totalling 0.50ct engagement band 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. Condition: GOOD. This previously owned and used item is in good condition with minimal signs of use. This may include fading of material or plating and scratches.