Classic designs
Engagement rings, wedding bands, earrings, and pendants. We develop and manufacture classic jewelry for individual orders and repeat production.
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New York City — Diamond District
We manufacture jewelry for brands & retailers.
Develop a custom piece, launch a collection, or bring your existing designs into production.
A jewelry manufacturing houseFrom first idea to finished jewelry
Sculptural designs
Relief, texture, and intricate forms, developed in CAD and carried through casting and finishing. We work through the construction as carefully as the visible detail.
Develop a custom piece
Design through production
Our designers and craftspeople develop individual pieces and collections, then carry the work through casting, stone setting, and finishing—with repeat production in mind.
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The team behind the jewelry.Design and craftsmanship, working together.
Mayra Martinez
Lead Designer
Mayra leads design at Golden Casting, developing one-of-a-kind pieces and collections with our CAD and jewelry teams.
Her work connects creative direction with practical construction—refining proportion, form, and detail with manufacturing in mind. She works alongside our jewelers as designs move from concept into production.
- Experience
- Previously worked at Tiffany & Co.
- Recognition
- Recipient of a GIA student award for jewelry design.
Our servicesDesign, manufacturing & fulfillment.
Complete production
Full-service jewelry manufacturing
CAD, casting, stone setting, finishing, and final inspection, managed as one production process. One team responsible for the finished piece.
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Brand operations
Fulfillment & inventory
We hold finished inventory, prepare orders in your packaging, and ship to your business or directly to your customers.
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Design & development
Product & collection development
We turn sketches, references, and ideas into CAD, refine the design with you, and prepare it for production.
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Setting & finishing
Stone setting, finishing & polishing
Stone setting, surface finishing, polishing, and assembly, followed by final inspection and photographs for your approval before shipping.
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Trade services
Jewelry repair & restoration
Repairs, resizing, stone replacement, and restoration, assessed before work begins. We recommend the approach and confirm the quote with you.
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How we work.The right process, with clear visibility throughout.
One-of-a-kind pieces, new collections, production runs, and repairs follow the stages the work requires. The client portal keeps progress, files, approvals, and next steps organized—with inventory and reorders for ongoing programs.
Project type
Custom & collections: the process
One-of-a-kind pieces and product & collection development—from your ideas to finished jewelry.
Define the brief
Share your idea for a one-of-a-kind piece, a new jewelry design, or a collection. We agree the design direction, scope, development costs, and timing.
Develop & approve the designs
We create production CAD in-house and refine it with you. For one-of-a-kind commissions, supplied CAD is reference only. You approve the designs before manufacturing.
Make the piece or collection
We manufacture the approved designs in the agreed quantities, checking the work through casting, setting, and finishing as required.
Review & arrange delivery
Review QC photos before shipment. We deliver to you or directly to your customers, as agreed.
Who we work with.Manufacturing support for your business.
Jewelry brands
Your design studio and production floor.
Develop a new collection or transfer established designs into production, with support for the repeat orders that follow.
- CAD development & production review
- Volume & tiered pricing
- Optional branded fulfillment
Fashion brands
A jewelry line built around your brand.
Add jewelry to your range without building a production operation. We develop the collection with you and make the finished pieces.
- Low minimums to test the category
- Inventory held for your orders
- Fulfillment in your packaging
Retail jewelers
Custom work for your customers.
Custom commissions, repairs, and repeat orders for your store, made to an agreed scope and schedule.
- Wholesale trade pricing
- QC photos before shipment
- Discreet, white-label manufacturing
Private jewelers
Your workshop behind the scenes.
Keep the client relationship under your name. We support your commissions with design, manufacturing, and stone sourcing.
- CAD renders for client review
- Your stones or ours, documented on intake
- Confidential project handling
Have a different project in mind? Tell us about it.