Treliss Worldwide is a leading manufacturer of loose diamonds and fine diamond jewelry based in New York City, with global networks in Hong Kong, India, Dubai, Belgium, and Bangkok

With 50 years of industry expertise and knowledge. Throughout the long history, we have expanded our assets and capabilities putting a constant emphasis on growth and adaptations. These resources, paired with our forward-thinking, enable us to perform in all sectors in and beyond the supply chain.

Treliss offers private label manufacturing for both retailers and designer brands, with the capabilities, resources, and intelligence necessary to ensure your company receives the highest quality products.

​We help build creative, consumer-based products and brands from start to finish, providing sourcing, manufacturing, jewelry design, importing and exporting, quality control, data-analytics, and marketing to a wide range of partners.

​​We focus on consumer dynamics and are committed to maintaining the highest standards of quality and social responsibility.

Treliss Worldwide is a proud member of the Responsible Jewelry Council.