Presicion and clarity at your fingertips

Your partner in grading, offering a one-stop solution for consumer confidence.

Founded on internationally accepted standards and equipped with decades of experience. JTR’s diamond and diamond jewellery grading institute blends traditional grading processes with the latest proprietary innovative technologies, ensuring that your diamonds are in safe hands.

Burak ÖzoğuzJTR Quality Manager

I am very satisfied with the performance of Loupe S. The ergonomic design and the high-quality optics enable me to inspect diamonds and jewelry more quickly than ever before.