Gemstone examination and appraisal

We provide identification, appraisal, and comprehensive examination of gemstones and diamonds in Switzerland at the world-renowned GRS GEMRESEARCH💎SWISSLAB laboratory at the main office. Our findings are accepted by insurance companies, customs, renowned auction houses, and financial institutions. 🇨🇭 P.S. At your request, we can conduct an examination and appraisal at GÜBELIN and SSEF