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23 February, 2026
Wholesale Diamond Jewelry Companies in the USA: Best Suppliers For Retailers
Sourcing diamond jewelry in the USA is about finding a reliable partner. Also, one who offers competitive memo terms, reliable grading (GIA/IGI), and better inventory solutions. The market is split between strict B2B wholesalers who support independent jewelers, and direct importers who offer competitive pricing on loose stones.
This guide highlights the top ten diamond jewelry suppliers and manufacturers in the USA.
Also, this involves each provider's inventory capabilities, manufacturer services, and business models. All of these enable you to select the right partner for your specific retail needs.
JewelPin is a manufacturer and wholesaler serving the US market. Also, they are renowned for their silver and gemstone work. In addition to their offering, they have capabilities in diamond jewelry production set in 925 sterling silver and solid gold.
They allow retailers like you to create private-label diamond collections. Additionally, they offer low minimum order quantities (MOQs) for custom designs. Lastly, they are an ideal partner for retailers looking to build a diamond line.
GN Diamond is an independent retail space, focusing on helping jewelers compete against internet giants. Also, they offer an inventory of loose diamonds and finished jewelry, but their core product is sales support.
They provide retailers with the platform that retailers can embed on their own websites to show thousands of diamonds to customers without owning the stock. Additionally, they offer sales training and marketing materials, making them a strategic partner for stores needing to modernize their sales floor.
Star Gems is recognized among US jewelers for its custom studio service. Additionally, they specialize in custom CAD/CAM design and manufacturing, allowing retailers to upload a sketch and receive a finished ring.
In addition to custom work, they have a vast inventory of loose diamonds. They help retailers source specific stones for custom engagement rings, offering a service that reduces inventory risk for the shop owner.
Loose Grown Diamond specializes in the market of lab-created diamonds. They operate a digital inventory of IGI and GIA-certified lab diamonds. You get priced lower than domestic competitors due to their direct manufacturing links.
Their platform offers 360-degree videos and detailed grading reports for every stone. For retailers, they serve as a reliable source for loose lab stones and finished lab-grown diamond jewelry, catering to the budget-conscious but quality bridal demographic.
Diamond and Gold Warehouse serves as a direct importer of loose diamonds and a manufacturer of custom jewelry. They maintain a physical showroom and a robust wholesale inventory of GIA-certified natural diamonds and engagement ring settings.
Their offering bridges the gap between a local wholesaler and a national supplier. They are known for personalized service and the ability to source specific stones for retailers. Also, they offer a range of ready-to-wear bridal jewelry and custom design services, providing a reliable domestic hub for Texas and national retailers.
The Jewelry Exchange is a factory-direct jewelry manufacturer in the US. In addition, they manufacture in-house, which allows them to offer competitive pricing on their jewelry.
They are a source for volume, accessible price-point diamond jewelry. Apart from that, they import diamonds directly and manufacture on-site to eliminate middleman markups. They are a source for inventory that moves quickly.
NYC Wholesale Diamonds is an importer and custom jeweler. Also, they specialize in GIA-certified ideal cut diamonds and offer a personalized sourcing service.
They focus on custom engagement rings set with quality loose stones. They provide the inventory of the NYC diamond hub without needing a physical presence there. Apart from that, they deliver stones that require expert visual inspection.
Diamonds Direct is a diamond jewelry company that eliminates middlemen by sourcing directly from mines and cutters. Additionally, they maintain a massive inventory of loose diamonds and designer mountings. Their purchasing power allows them to offer inventory at prices that compete with traditional wholesale.
They are a source for a large selection and variety, particularly in bridal. Along with that, their offering includes a risk-free shopping environment with robust warranties. It makes them a benchmark for competitive pricing in the natural diamond sector.
Mervis Diamond Importers is a family business that emphasizes direct importing from diamond centers in Africa and Israel. Also, they specialize in quality natural diamonds and maintain relationships with top bridal designers like Verragio and Tacori.
Their offering is centered on curated quality and designer brands. They are a resource for sourcing premium, vetted stones and designer settings that appeal to an upscale clientele. Apart from that, they leverage decades of industry relationships to secure inventory that isn't available on the open market.
Wholesale Diamonds USA is a digital-first supplier focusing on GIA-certified loose diamonds and custom jewelry. In addition, they structure their business to offer low-margin pricing on high-quality stones. Also, they cater to customers looking for specific certification criteria.
They offer a lifetime trade-up policy and extensive educational resources. For retailers, they provide a transparent platform to price-check and source specific GIA stones. All of these ensure that you can offer competitive quotes to your own customers without inflating your inventory costs.
Selecting the right wholesale diamond partner depends on your business model. Whether you need sales support and digital tools to compete with e-commerce or need custom manufacturing and private label, JewelPin offers the necessary production infrastructure. Also, for access to the lab-grown market, you get the depth of inventory required to meet modern demand. By aligning with JewelPin, which offers the specific terms, technology, or manufacturing capabilities you lack in-house, you can turn your supply chain into a competitive advantage.
