The Swiss Gemmological Institute SSEF has successfully age-dated the historic ‘Ana Maria Pearl’ using carbon-14 (14C). This is the first time such a procedure has been conducted on a historic natural pearl, to provide valuable and new information on the age of a gem.Read Press...
We will be in Bangkok 20 – 24 May 2019 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...
SSEF is honoured to take part in the upcoming second edition of the GemGenève show at Palexpo in Geneva. We will be offering coloured gemstone express testing services at our booth K1. Further, Dr. Michael S. Krzemnicki will be giving a talk during GemGenève, details of which can...
During BaselWorld 2019 (21 – 26 March), SSEF will be offering its convenient gemstone and pearl testing services. You can find us on the ground floor of Hall 3 at booth No. 3.0/ B31, at a different location than last year. We look forward to meeting...
GemTrack™ links a cut stone to a specific rough stone using gemmological techniques.GemTrack™ is based on a combination of crystallographic, structural, chemical and microscopic analyses that allow for detailed and potentially unique characterisation and fingerprinting of a rough stone. These same features are later investigated...
The latest edition (2019) of SSEF’s Facette magazine has been published. It is now also available online as a PDF. This magazine brings you reports of our latest gemmological research and findings, courses and other SSEF activities.Read and Download Facette SSEF FACETTE NO. 25, 2019 FEATURED ARTICLES:...
This presentation summarizes the findings of the LMHC group of gemmological laboratories (that includes the Swiss Gemmological Institute SSEF) as of February 2019 on the issue of ‘Sapphire heated with pressure’.Download PDF of presentation...
We will be in Hong Kong 21 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...
A recently published article by SSEF and co-authors in the Journal of Gemmology provides an extensive overview of blockchain, chain-of-custody and traceability in the gem industry.The full article can be downloaded here....
We will be in Bangkok 07 - 11 January 2019 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...