925 Sterling Silver Jewelries are made of 92.5% Silver and rest is Alloy. some Silver products will come with additional Rodium plated to give it a White Gold look such as Rings..Our 925 Sterling Silver Jewelry will have guarantee for its Purity . Please note Silver Jewelries do tarnish but that doesnt mean that its not pure Silver.. It can be polished to give it back its original colour. These happens due to our humid weather.