Gem and Jewelry Cleaner is our number one seller to professional jewelers and customers all over the United States. Utilizing a gentle and non-toxic formula, this liquid cleaner removes dirt, fingerprints and build-up from hard to reach settings of your favorite fine jewelry. For use on gold, silver, platinum, diamond, ruby, sapphire, topaz, amethyst, aquamarine, garnet, peridot and other non-porous precious and semi-precious gems and jewelry.