12 New Connoisseurs Jewelry Cleaner Jars. This is a new set of 12 jars of Connoisseurs jewelry cleaner. Connoisseurs was awarded the best cleaning solution. Safe easy way to restore the original luster to diamonds, precious stones, platinum and gold jewelry. Also great for eyeglasses and frames. Each jar includes a dip tray and brush. Each jar contains 4 fl oz (120 ml).