Sterling silver is an alloy of silver which contains 92.5% pure silver and 7.5% other metals such as copper, this is to give the silver strength, while at the same time preserving the ductility and beauty of the precious metal. The minimum millesimal fineness of sterling silver is 925. Our Sterling silver jewellery comes from all over the world, we hold a large selection of mexican jewellery some pieces which are quite fine and others have a more chunkier style to them.