18kt yellow gold polished finish cut-out detailing charm detail round cut diamonds totalling 0.04 carats FG/VS1-2 diamond colour and clarity rolo chain lobster claw fastening Hallmarked in the United Kingdom at the London Assay Office. 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.