juli marries the convenience of an old toothbrush with the power of an ultrasonic bath. Add in her built-in ring holder, patented brush head with diamond-hugging bristles that obliterate tough grime in the hardest-to-reach settings with a single touch, the grease-cutting, germ-killing Tonic purifying cleanser for diamonds, and a host of other thoughtful features and you have what jewelers everywhere are calling the absolute best and safest cleaner for your most precious jewelry.