EGL USA, a renowned gemological laboratory, has been at the forefront of cutting-edge research, testing, and analysis for over three decades. Their commitment to both the industry and consumers is evidenced by their exemplary evaluations, which provide clear disclosure of diamond, gemstone, and jewelry features, including known treatments. But EGL USA is not just about science; they also prioritize exceptional service.

With a wide variety of reports and supporting services, coupled with open dialogue with customers and industry experts, they continuously strive to create exciting new resources. Headquartered in New York's diamond district since 1977, EGL USA became independently owned and operated in 1986, expanding to include a west coast office in Los Angeles. Setting industry standards, EGL USA has introduced various firsts, like grading diamonds under one carat, utilizing x-ray digital imaging for pearl identification, and offering state-of-the-art cold laser inscription.

They also provide full disclosure on lab-grown diamonds and have identified and established grading policies for surface treated diamonds with colored coatings. Choose EGL USA for unparalleled scientific expertise, exceptional service, and a legacy of innovation in the gemological industry