- Jewellery should be cleaned in diluted, soapy water with a soft brush. Rinse under running water and dry it with a soft, dry cloth. Remember to plug the sink before cleaning.
- Ultrasonic cleaners are not recommended for some gemstones, such as jadeites with cracks, rubies, sapphires, emeralds and opals. It should be cleaned with a soft, dry cloth.
- Remove fingerprints and smudges on precious metal using a soft, non-abrasive cloth. For example, silver or eye glasses cleaning cloth.