Founded in 1944, Rio Grande remains committed to its mission: supporting jewelers with the highest quality products and best possible service. As one of the jewelry industry’s largest wholesale suppliers, the team manufactures, sources, and distributes precious metals, findings, diamonds, and gemstones, along with bench tools and innovative equipment. Comprehensive in-house customization services, educational content, and unparalleled support from the Jewelry Tech Team make this division more than a supplier, helping businesses thrive.