Wear jewellery in a carpeted room, in sitting position. Otherwise an accidental fall can cause

After each wear, clean your jewellery of sweat, perfume or any other residue to avoid tarnishing.

Never keep your jewellery in a humid place for too long or unwrapped or piled in lockers. Doing so, the jewellery might get tarnished, scratched or damaged.

Do not let your diamonds come in contact with chlorine or bleach while doing housework. Doing so can pit or discolour the mounting.

Take your diamonds to your jeweler for a check up once in a few years.