Plumb Club Jewelry Manufacturers | Ethical Fine Jewelry Producers

Explore The Plumb Club’s trusted network of jewelry manufacturers—esteemed U.S.-based producers held to strict ethical standards and required to maintain Responsible Jewellery Council certification. Each member upholds our Code of Responsibility, ensuring business ethics, sourcing integrity, and environmental stewardship. Ideal for retailers and wholesalers seeking reliable partners, our listing highlights manufacturers specializing in fine jewelry, custom designs, precious and modern metal pieces, and specialized collections. The directory includes intuitive filters and categories to help you find the exact expertise or style you need, from bridal and fashion lines to unique designer collaborations. As a member, your manufacturer also gains access to our Jewelers Resource Center, virtual showrooms, and educational tools—all designed to strengthen supplier-retailer connections and drive industry innovation. When you choose a Plumb Club jewelry manufacturer, you align your business with integrity, quality craftsmanship, and responsible sourcing—empowering your brand and building trust with your customers.