Jewelers of America: The Resource for the Professional Jewelry Industry and Its Consumers Jewelers of America (JA) is the national trade association for businesses serving the fine jewelry retail marketplace, with the primary purpose of improving consumer confidence in the jewelry industry. Since 1906, JA has been advancing the fine jewelry industry through advocacy in public, government and industry affairs; and have been the leader in the development of high ethical, social and environmental standards among the retail jewelry trade. Jewelers of America also provides members with a wealth of products, services and cost-saving opportunities — specifically designed for jewelry retail professionals.