Treliss Worldwide Inc. is a multi-generational business specializing in sourcing, cutting and manufacturing rough diamonds to finished jewelry. Leveraging our global presence, solid infrastructure, and World Diamond Council membership, we have developed an expertise enabling us to be a significant leader and efficient prime source for the Jewelry industry. Our recent RJC Code of Practices Certification reaffirms the company’s continued efforts in raising ethical standards in the industry and our commitment to corporate responsibility.