Because diamonds can easily scratch other jewellery, even other diamonds, the best single piece of advice is to keep your diamond jewellery in a soft cloth bag or jewellery case.

It's not wise to wear a diamond ring when doing rough work. It's hard but it can be chipped.

By cleaning your diamond jewellery regulary you can avoid diamonds loosing their brillance.Chlorine bleach can pit and discolour the mounting. Lotions, powders, soaps and even your natural skin oils can put a film on diamonds that cut down their brilliance.

There are commercial jewellery cleaners and ultrasonic ones that clean with a high frequency turbulence.

It's smart to have your jeweller check wear and tear on the mounting at least once a year.