Certificates from the Gemmological Laboratory Austria

At GLA sworn and certified court experts issue jewellery, gem and diamond certificates for you. We act without bias as our lab’s sole object is to issue certificates: we do not buy or sell jewellery, jewels or diamonds.

Your Gem report

To suit the customer’s requirements, we issue certificates with or without monetary appraisal. Experienced specialists from GLA certify diamonds, jewellery and gems.

We issue reports in Austria for:

  • Diamonds

  • Coloured diamonds

  • Rubies, sapphires, emeralds

  • Gemstones

  • Jewellery

Jewellery reports for insurances, inheritances, …

An exact diagnosis is carried out in our modern laboratory equipped with the latest facilities. By constantly pursuing further education and keeping in contact with national and international experts, we have access to up-to-date trade knowledge. We issue reports for example for insurances or in the process of inheritance. As required, we are happy to provide a monetary appraisal or simply establish whether the stones or items of jewellery are genuine and what their quality is.