The SSEF laboratory will be closed for the holidays from December 23rd to January 2nd 2022. We will reopen on January 3rd 2022. Our whole team would like to thank you for your confidence in our services.

SSEF is honoured to take part in the upcoming edition of the GemGenève show at Palexpo in Geneva. We will be offering coloured gemstone express testing services at our booth A39. SSEF GemGenève Booth A39 03-07 November 2021 (03 November is setup day, goods can be submitted) Tel: +41 79 219 72 38 (only during

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