Give your gemstones their best shine for years with this Oveallgo Diamond-Shine Jewelry Cleaning Spray! This Jewelry Cleaning Spray effectively removes all kinds of rust, dirt, grime, oil build-up and the like without any loss of quality. Provides a professional, quick clean that will restore your dulled gemstones their natural shine and make them look brand new. It also provides an innovative formulation that allows it to leave a protective barrier against future darkening. It ensures that your newly polished stones have a long lasting shine that can fight even new incoming jewellery. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.