The Leader in Augmented Reality Gemstone Reports

GRS GemResearch Swisslab AG is an independent gemological research laboratory specializing in determining the origins of, and generating authenticity reports for, rubies, sapphires, and emeralds as well as other important colored gems including spinel, tourmaline, and garnet.

GRS's six international gemological research laboratories are strategically located in key global sites and are equipped with the latest sophisticated technology to recognize and identify advanced gemstone treatments. Ongoing research efforts paired with expeditions to the world’s most important gemstone mines appear in our own film documentaries and book series «Contributions to Gemology».

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Reports &
Rarity Awards

GRS gemstone reports are issued for individual loose gemstones, gemstone pairs, gemstone sets, as well as for mounted jewelry such as rings, ear clips, and necklaces.

More about GRS Reports

Reports &
Rarity Awards

GRS gemstone reports are issued for individual loose gemstones, gemstone pairs, gemstone sets, as well as for mounted jewelry such as rings, ear clips, and necklaces.

More about GRS Reports

Gemstone Report Verification

GRS online gemstone report verification services are available to check the authenticity of a GRS report. Any interested party can use this service free of charge. 

To verify your GRS report, please fill in all the fields below exactly as they appear on the GRS report to facilitate the authentication process. 

The quickest and easiest way to verify your report is by scanning the QR code printed on the GRS report using your mobile phone. Most mobile phones (iOS and Android) have a QR code scanner built-in to the camera app.

If you encounter any difficulty in authenticating your report, please refer to the Report Search FAQ or contact us via email.

Order Books &
Publications

All our books and publications are available in our online shop. Our latest book "Magnificent Green" illustrates a fascinating journey into the world of Colombian emeralds, as told by its own people — miners, patrons, cutters, brokers, and jewelers.

Visit our Shop

Order Books &
Publications

All our books and publications are available in our online shop. Our latest book "Magnificent Green" illustrates a fascinating journey into the world of Colombian emeralds, as told by its own people — miners, patrons, cutters, brokers, and jewelers.

Visit our Shop

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Worldwide Locations

Our laboratories are strategically located across Europe, Asia, and North America. We are pleased to offer various options for submitting your property to our laboratory near you.