Diamonds get smudged, soiled, and dusty.
Lotions, powders, soaps, even the natural skin
oils put a thin film on diamonds and cut down
their brilliance. Chemicals in the air can discolor
the mountings of precious jewelry.

You may clean your diamond jewelry several ways:

Prepare a small bowl of warm suds with any of the
mild liquid detergents used in the home. Or, make a
half-and-half solution of cold water and household
ammonia in a cup. Soak the pieces for 30 minutes.
Lift out and gently brush the pieces with a soft toothbrush.
Swish in the solution once more, transfer pieces to a wire
tea strainer, and rinse under warm running water.

You may also buy one of the liquid jewelry cleaners and
follow the label’s instructions, or choose an ultrasonic
cleaning machine that uses high-frequency motion to create the cleaning action.

Don’t wear your diamond when you’re doing rough work. Even though a diamond is durable, it can be chipped by a hard blow. Don’t let your jewelry come into contact with chlorine bleach when you’re doing household chores.

When you’re not wearing your diamonds, they still require special care. Keep your precious pieces in a fabric-lined jewel case, or a box with compartments.

Don’t jumble your diamond pieces in a drawer, because diamonds can scratch other jewelry, and can even scratch other diamonds.

Do see a professional at least twice a year to have your precious jewelry checked for loose prongs and wear of mountings.