The Golden Casting workshop in New York's Diamond District

New York City — Diamond District

About Golden Casting.A jewelry manufacturing house.

Design, production, and fulfillment for brands, retailers, and private jewelers—from individual pieces to complete collections.

Who we are.A manufacturer that works as part of your team.

Golden Casting brings craftspeople, technical expertise, and production oversight together around the work of making jewelry.

We develop new designs and collections, manufacture established pieces, and support the production that follows. Design decisions and practical manufacturing needs are considered together.

Clear communication and accountability are part of that work. From a first collection to expanding production, we aim to build a working relationship that grows with your business.

A Golden Casting jeweler sawing a piece at the bench

Our team.Design and craftsmanship, working together.

Creative judgment and technical skill belong in the same conversation. Our team works through the details with you, from the early design decisions to the finished piece.

Mayra Martinez

Lead Designer

Mayra leads design at Golden Casting, working with the team to develop individual pieces and collections.

The team connects creative direction with practical decisions about form, construction, materials, and finish. CAD development and workshop expertise support the work as it moves from concept into production.

Experience: Previously worked at Tiffany & Co.
Recognition: Recipient of a GIA student award for jewelry design.

Creative range: Individual pieces, new collections, intricate forms, and sculptural jewelry.
Technical depth: Expertise across CAD, casting, stone setting, and finishing, brought together for each piece.
Close collaboration: Your creative direction considered alongside materials, construction, and practical production decisions.

Our approach.Care in the making. Clarity in the process.

Skilled jewelry making needs a well-run process. We connect the design decisions, production checks, and delivery details that keep the work moving.

A hand-poured gold ingot at the Golden Casting workshop

One team accountable for the work

From consultation and CAD through casting, setting, and finishing, Golden Casting remains your point of contact for the process and the finished jewelry.

Checks throughout production

We review the work through CAD, 3D printing, casting, finishing, and stone setting, with a final inspection before shipping.

Timing planned around your project

We coordinate production timing around your launch, collection, or replenishment needs, and discuss rush requirements as part of the scope.

Progress and approvals in one place

Use the client portal to place orders, follow progress, review approvals, and reorder, with communication kept alongside the work.

Production through fulfillment

We hold finished inventory and ship to your business or directly to your customers under your brand, connecting production with delivery.

CAD development and repeat production

CAD and high-resolution 3D printing support design development and consistency across production runs as your manufacturing needs grow.

Get started today.Tell us what you're making.

Discuss your project Book a call