Polygon
Industrial
Founded in 1984, is the premier online marketplace for jewelry professionals. It connects thousands of vetted members—jewelers, wholesalers, and manufacturers—across 17 dynamic channels for diamonds, gemstones, watches, and more. With over 725,000 active inventory listings and more than 5,000 new posts per week, Polygon supports the jewelry industry with real-time trading, business intelligence, and a trusted professional community.