Designing Brilliance for Every Moment.

Whether you’re seeking the sparkle of a diamond, the vibrant beauty of colorstone, or a custom-designed treasure, our team is here to bring your vision to life with precision, quality and carefully manufactured in USA.

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Thai jeweler, handles the jewelry and precious stones in the workshop, the process of jewelry making ,close-up

We are a Jewelry Manufacturer in New York City, USA

For over 35 years, United Brothers Jewelry has been a trusted name in fine jewelry manufacturing and design. Founded by four brothers with a shared dream, UBJ brings together heritage, craftsmanship, and innovation to create timeless pieces that celebrate life’s most meaningful moments.

What We Offer

Every piece we create reflects our dedication to craftsmanship and customer satisfaction. Whether you’re a first-time customer or a long-standing partner, you’ll always receive personalized service and exceptional quality.

Mass Production & Wholesale Solutions

Whether you're a retailer, distributor, or brand, we provide high-quality, scalable jewelry manufacturing that meets your needs.

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Custom Jewelry & Design

Our design studio transforms ideas into exquisite reality. Whether it’s a one-of-a-kind engagement ring or a custom retail collection.

Finishing, Setting & Detailing

Perfection lies in the details. We provide specialized services to enhance the final look and longevity of every piece. A flawless finish, every time.

Why Choose Us

Legacy of Craftsmanship​

When you wear UBJ, you wear a piece of history—crafted by hands that know and love the art of jewelry making.

Trusted by Industry Leaders

From high-volume production to custom exclusives, UBJ is the name behind some of America's most recognized jewelry lines.

Custom Design Experts

If you can dream it, we can design it—and we’ll do it with love, precision, and flair.

Global Reach, Personal Touch

Big enough to compete globally, small enough to care individually.

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Clients we proudly serve

Connect with us to experience the difference

We think that jewelry is more than an accessory—it’s a legacy.

Connect with us to explore our collections or create something uniquely yours.

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