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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.
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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.
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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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