The Best Magnet For Testing Silver is a strong neodymium magnet. Neodymium magnets have a high magnetic force and are capable of quickly determining the authenticity of silver. When a neodymium magnet is brought close to a silver item, it should not exhibit any magnetic attraction or significant movement. Silver is non-magnetic, so a lack of response to the neodymium-magnet indicates the presence of genuine silver. It is important to use a strong magnet like neodymium to ensure accurate results. By utilizing the best magnet, you can confidently assess the authenticity of your silver items and make informed decisions.