The San Mateo International Gem and Jewelry Show is an international expo that gathers gemstone, bead, jewelry, and accessory dealers from around the world. Hosted at the San Mateo County Event Center’s Expo Hall in San Mateo, California, the show showcases a wide range of materials for jewelry making, collection, and design. It stands out as a key gathering for collectors, designers, hobbyists, and vendors within the beauty-and-fashion and craft communities.