Even though platinum and titanium jewelry is gaining more attention, gold is still the most popular material on the market. There is no other precious metal today that is more widely used. As a jeweler, it is necessary to test your gold to ensure its karat value. Good gold testers are an invaluable tool for a professional jeweler. At Nationaljewelerssupplies.com we offer gold testers from Mizar and Gold Star; and we supply the best chemical testers at competitive prices. We also offer a full line of testing acids, stones, and testing needles for the traditional jeweler. A professional jeweler can’t afford not to have some type of gold testing equipment. Let Nationaljewelerssupplies.com help you stock your bench with the necessary tools to work with confidence.