The outer layer of a pearl is extremely delicate. Direct contact with perfumes should be avoided. After wearing pearls, they should be gently rubbed with a fine towel. Diamonds and jewels set in gold can be cleaned with water and a mild shampoo using a soft brush. Coloured stones require particular care and should only be cleaned by a specialist.

From time to time, jewellery should be cleaned professionally and the settings checked. Beyer´s watchmakers are specially trained for this kind of work.