Connoisseurs Precious Jewellery Cleaner is a cleaning bath for gold, platinum, diamond and precious gemstone jewellery. Regular cleaning with Precious Jewellery Cleaner will keep your precious jewellery looking as exquisite as when it was first bought and will retain its brilliance and beauty. It works by polymers in the formula which help reduce the appearance of scratches that occur over time. Includes a dip tray and brush. Do not use for cleaning pearl jewellery and jewellery set with other semi-precious gemstones.