Gold fill is the best quality option after solid gold. We source the best quality materials for our gold fill pieces and it is a more affordable option for gold jewelry. Therefore, the longevity of this material depends on different factors. You may hear that gold fill will never tarnish and that it lasts a lifetime. Although this is possible there are a variety of factors that can affect the longevity of your pieces. It can vary from person to person as your body chemistry, your individual lifestyle and how much you care for the piece can have a huge impact on its performance. The main effects on 14K gold filled depends on:1) What the jewelry is exposed to and comes into contact with - chemicals etc.2) What remains on the piece for a long period of time and how you clean it – makeup, lotions etc.3) How it is stored. More exposure to oxygen and sulphur increases the chance of oxidization.