Since 1982, MJJ Brilliant has been the trusted US-based fine jewelry manufacturer for national retailers, global brands, and independent designers. We deliver exceptional craftsmanship, ethical sourcing, and 0% tariffs — all from our world-class Long Island City, NY facility with 700+ master jewelers producing 4M+ pieces annually.

INDEPENDENTS– Emerging designers and established creators alike. We manage all your production needs, from prototyping to repairs, with expert care.

ESTABLISHED BRANDS– Scaling production without compromising on craft. We support growth and diversification with expert manufacturing solutions.

RETAILERS- High-volume production for national chains, ensuring consistent quality and meeting broad customer base demands.

LUXURY- Unmatched craftsmanship and meticulous attention to detail for extraordinary pieces that enhance brand prestige.