How To Make Earring Shine Again. When In A Hurry Use Baking Soda. You could also try a bit of lemon juice which can work wonders on oxidized jewelry.
Lay all of your darkened costume jewelry on the foil. Let it sit in overnight and then clean with soft cloth. Before starting give your jewelry a good wash using one of the methods mentioned above or just warm soapy water and let dry thoroughly getting rid of any oils dust and strands of hair.
Pour the diamond detergent into a disposable paper cup soak the mothers photo rings for 3 minutes then gently brush the diamond surface with a soft toothbrush.
4 Heat 1 cup of water in a microwave for less than 2 minutes. Let it sit in overnight and then clean with soft cloth. 2 Store your jewelry properly away from direct sunlight away from moisture and humidity surrounding. You could also try a bit of lemon juice which can work wonders on oxidized jewelry.