We will be in Hong Kong 23 February – 04 March offering our on-site testing services, during the upcoming Hong Kong Jewellery and Gem Fairs. Equipped with our mobile instruments and spectrometers, we will be testing coloured gemstones (no diamonds or pearls) at the Asia World Expo (AWE, 27 February – 02 Mar

SSEF is honoured to take part in the upcoming edition of the AGTA show in Tucson (AZ, USA). We will be offering coloured gemstone express testing services at our booth in the East Galleria. SSEFAGTA Booth in the East Galleria30 January-04 February 2024 Tel: +41 79 219 72 38 (only during AGTA Tucson show) Dr. [&

We will be in Bangkok 10 – 19 January 2024 offering our on-site testing services. The office will be closed on January 13th and 14th. 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

The SSEF laboratory will be closed for the holidays from December 21st 2023 to January 2nd 2024. We will reopen on January 3rd 2024. Our whole team would like to thank you for your confidence in our services. We wish you peaceful holidays and look forward to working with you in 2024.

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 A71. SSEFGemGenève Booth A7102-05 November 2023 (November 1st is setup day, goods can be submitted from 10am onwards)Tel: +41 79 219 72

We will be in Hong Kong 14 – 24 September offering our on-site testing services, during the upcoming Hong Kong Jewellery and Gem Fairs. Equipped with our mobile instruments and spectrometers, we will be testing coloured gemstones (no diamonds or pearls) at the Asia World Expo (AWE, 18 – 22 September 2023, b

We will be in Bangkok 22 – 26 May 2023 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 services

The latest edition (May 2023) 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 history of gems– Co-bearing spinel from Tanzania– Calibrated coloured stones&

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 B03. SSEFGemGenève Booth B0311-14 May 2023 (May 10th is setup day, goods can be submitted from 10am onwards)Tel: +41 79 219 72 38 (only