Safe on diamonds and precious gems Cleaning brush included 1.7 fl oz. (50ml) To use: Rinse your piece under warm water with the drain covered Pump foam cleaner into the cap of the bottle, or into your hand Let your piece soak in the cleaner for 30 seconds Use the brush to thoroughly clean your piece Rinse your piece under warm water with the drain covered Pat to dry Important to Note: This item cannot be shipped internationally.