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Gemmological Laboratory Austria KG

Herrengasse 6-8/ Stiege 6/ 2nd floor/ Top 6

1010 Vienna

+43 1 5339099

gemlab@gla.at


Opening hours

Monday 09:00 – 16:00

Tuesday 09:00 – 12:00

Wednesday – Thursday 09:00 – 16:00


Please note that the laboratory will be closed from 3rd November 2025 to 28th November 2025 due to renovation work. We will be happy to assist you again from 1st December 2025.


How to find us

The entrance to our building complex is located directly behind the café “Unger & Klein”, near the U3 station Herrengasse.

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    Bitte beachten Sie, dass das Labor im November 2025 wegen Umbau geschlossen sein wird. 

    Die letztmögliche Annahme von Gegenständen zur Begutachtung ist Mittwoch, der 15.10.2025 (unter Vorbehalt). 

    Gerne können Sie vorab mit uns telefonisch oder per E-Mail Kontakt aufnehmen. 

     

    Please note that the laboratory will be closed in November 2025 due to renovations. The last possible date to submit items for assessment is Wednesday, 15 October 2025 (subject to approval).

    You are welcome to contact us in advance by telephone or email.