18kt white gold rhodium plating polished finish cocktail band prong-set oval-cut laboratory-grown pink sapphire totalling 18ct pavé-set laboratory-grown pink sapphires and diamonds cultured freshwater pearls 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. Pearls should be the last thing that you put on in the morning and the first thing you take off at night. Avoid contact with perfumes or creams, and simply wipe with a soft cloth to clean.