J. Feld MFG has worked with many top retailers and their designers, enabling them to offer their customers, true one-of-a-kind pieces using our decades of experience and expertise. In doing so we have become a valued and essential resource, maintaining long-term relationships built on trust, reliability, and consistent results.
Based in the heart of New York City, we are members of the AGS, MJSA, and JBT and have immediate access to the best, responsibly sourced, materials and resources available. As such, we maintain high ethical and quality standards for every piece we produce and proudly design and manufacture every piece, start to finish, in house and domestically.
We offer our retailers the capabilities of a full scale factory and design team at any stage of development. Whether starting with a general idea, a specific stone, or a developed design, we can execute our customer’s vision and produce a one-of-a-kind piece, an entire collection, or anything in between.
Since 1971
True Customization
We specialize in designing and manufacturing truly custom and one-of-a-kind pieces from start to finish. We provide design consultation, reviewable renderings, and rapid prototyping in wax and metal to insure your piece is well made and to specification.
We also offer:
Extensive gemstone and diamond inventory along with ability to procure, asses, and re-polish any stone.
Complete finishing including: Cleaning & Assembling, Polishing, Rhodium Plating, Setting, and Sizing.
Laser engraving for personalization, branding, or collection identification.
Designing matching bands to sit flush against new or existing rings, both single bands and jackets.
Revitalizing pieces: Replicating damaged or lost pieces, matching incomplete pairs, extrapolating design elements into alternate pieces, and utilizing customer’s existing items to create new, long-lasting designs.
Insurance replacements, including complying with insurance company standards and requirements.
Metals: Specializing in 14k and 18k White Gold with Palladium, Platinum (Iridium or Ruthenium), we cast a variety of Gold colors from 10k and up, as well as Palladium and Silver.
Quality: Our default quality for side diamonds is G color, VS clarity.
When budget is a prime consideration we use H color, SI-1 clarity.
Sourcing: In addition to our large inventory, we can source diamonds or color stones of any caliber, including fancy colors, when needed to fit the specific needs and aesthetics of a project.
Certification: All diamonds 0.75ct and above that we supply will come with a GIA certificate, and upon request, we will provide certification for our larger center color stones.
Exceptional Standards, Elite Products
We maintain rigorous standards for every piece we produce. Designing, Sourcing and Manufacturing to meet the needs and requests of our customers.
