The Gübelin Gem Lab Seal, features on Gübelin Gem Lab Reports, symbolizes the highest standards of gemmological expertise and ethical conduct. It certifies that a gemstone has been examined under the lab’s rigorous scientific protocols and that the report reflects independent, verifiable results. The seal embodies the lab’s promise of precision, transparency, and trust.

 
Beyond a mark of certification, the seal represents a heritage of integrity established over generations. It signifies a commitment to serving the global gemstone community through objective science and cultural respect for the treasures of nature. Each seal is a testament to the Lab’s pursuit of truth and excellence in gemmology.