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About Us

International Diamond Laboratories (IDL) provides the diamond trade and jewelry retailers with top quality diamond, colored stones and jewelry certificates worldwide.

With continuous research and innovation technologies, International Diamond Laboratories brings grading from an art to science.​ IDL is a team of internationally reputed gemologists and experienced graders obeying a strict code of conduct and backed by a ground-breaking knowledge center comprised of physicists, engineers and researchers.

Co-operating with leading gemological institutions around the world, the International Diamond Laboratories seal stands for objectivity, independent scientific analysis and trust.

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