Vinegar with baking soda can be used to scrub gold jewelry but this process should only be applied on strong fourteen-karat gold jewelry: see How to scrub Gold with Baking Soda and Vinegar for details on what to do. Or, you can test working with just distilled white vinegar or http://caidendrezm.blogpostie.com/9040496/top-latest-five-gold-ring-urban-news