Casting houses are specialized trade services that transform metal into jewelry components through processes such as lost-wax casting and centrifugal casting. They work with a range of metals including gold, platinum, silver, and base metals to produce rings, pendants, and other jewelry forms from wax models or CAD files. For jewelry brands and independent designers, casting houses are a foundational part of turning concepts into finished pieces.

These services sit at an early and critical stage of the production pipeline. Without reliable casting, designers cannot efficiently scale custom work or produce consistent results across a collection. Casting houses that offer full-service capabilities, from file preparation through finishing, reduce the number of vendors a jeweler must coordinate with.

Philadelphia has a concentrated jewelry manufacturing presence centered on Jewelers Row, one of the oldest diamond and jewelry districts in the United States. The area supports a compact supply chain where manufacturing services, including casting, tend to be integrated within established trade shops rather than operating as large standalone facilities.

The Role of Casting Houses in the Jewelry Production Process

Casting houses serve jewelry designers, brands, and manufacturers who need metal components produced at varying scales. A designer may bring a wax model or a CAD file, and the casting house handles the technical process of converting that into a metal form ready for finishing or stone setting.

In Philadelphia, casting services tend to align with the custom and fine jewelry focus of the local industry. The proximity of casting operations to other trade services on and around Jewelers Row allows jewelers to move efficiently through production stages without sourcing from distant suppliers. Full-service casting shops that combine CAD capability with metal casting and finishing are particularly well suited to this environment.

Directory of Casting Houses

Business Name

Description

Website

International Mfg. Co.

Philadelphia-based casting house offering jewelry casting in platinum, gold, silver, bronze, and brass, with full-service capabilities from CAD design through finishing and stone setting.

https://www.intlmfgco.com