• Don't let the sparkle and lustre in your jewelry fade. Keep your silver, gold, platinum, and gemstones sparkling like new with this professional grade ultrasonic cleaner. Ultrasonic waves gently remove all dirt & residue from your fine jewelry so they look fresh out of the display case. Safe for use on precious metals and gemstones. Not for use with pearls or opals. No scrubbing necessary! Simply drop your jewelry into the basket, turn on the cleaner, and in a few minutes you'll find them sparkling like new. For professional quality cleaning at home.