We are pleased to announce that we will be present with on-site testing services in Münich (Germany) during the GemWorld show (22-24 October 2021) and GemGenève from 4 – 7 November 2021 in Geneva (Switzerland). Our booth number in Münich will be: B6.450 Our booth number at GemGenève will be: A39 Pleas

The latest edition (June 2021) of SSEF’s Facette magazine is now available online as a PDF. This magazine brings you reports of our latest gemmological research and findings, courses and other SSEF activities. – The Science of Gem Testing – New Afghan emeralds– Machine learning at SSEF &#82

Origin determination of emeralds is a fascinating subject. In our efforts to gain greater insights into gemstones from different origins, SSEF has developed a new machine-learning-assisted chemical data visualization approach for emerald characterisation. The case study compared 168 emeralds from different orig

In order to simplify testing submissions to SSEF we now provide clients the option of filling out a digital order form. Please note that all gems or jewellery submitted to SSEF for testing require an order form to be filled out and signed. These new order forms are quicker and easier to fill out, given [&hellip

The latest edition (May 2020) of SSEF’s Facette magazine is now available online as a PDF. This magazine brings you reports of our latest gemmological research and findings, courses and other SSEF activities. – Age dating of gems– GemTrack™– Laser inscription of gems– DNA f

We will be in Bangkok 13 – 17 January 2020 offering our on-site testing services. Our office is in the gem trade district at the Silom Road. Equipped with our instruments and spectrometers, we will be testing coloured gemstones. Please contact us to make an appointment. More information on our Bangkok offi