How to Clean a Diamond?
Instructions
STEP 1: Close the drain in the sink.
STEP 2: Soak the ring in a sink filled with hot water.
STEP 3: Fill a small dish - such as a contact lens dish - with window cleaner.
STEP 4: Transfer the ring from the hot water to the dish containing the window cleaner.
STEP 5: Let the ring soak for at least 10 minutes.
STEP 6: Dip an old toothbrush in window cleaner and scrub ring thoroughly for several minutes.
STEP 7: Refill the sink with hot water and soak the ring for a few minutes longer.
STEP 8: Continue scrubbing with the toothbrush, now under a flow of hot water.
STEP 9: Rinse well under hot water.
STEP 10: Repeat, if necessary, until you achieve a brilliant shine.