The Leader in Augmented Reality Gemstone Reports
GRS GemResearch Swisslab AG is a private and independent gemmological laboratory specializing in the issuance of origin- and authenticity reports for colored gemstones. GRS tests rubies, sapphires, emeralds and other important colored gemstones such as e.g., spinels, tourmalines and garnets.
GRS's six laboratories are strategically located in key global sites and 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 Gemmology».More About the Company