burgundy 9K yellow gold dinosaur charm adjustable rope fastening cotton rope 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. Your jewellery should be the last thing that you put on in the morning and first thing you take off at night. Avoid wearing in the shower or when spraying perfume, and clean occasionally with a soft polishing cloth