Make sure that the lock of your piece is fit and the stone are not loose and in place, otherwise send it to Ghassan Maintenance Center to fix it for you.
If you are dealing with chemicals or hard work remove them to a safe place.
Keep your jewelry away from soap or cleaning detergents.
Cleaning:
Use warm flowing steam water with shampoo to clean your jewelry and dry it with soft clothes.
Once a year, give your jewelry to be cleaned professionally to Ghassan Maintenance Center.
Storage:
Keep your jewelry in their special boxes in order to prevent friction and scratching