New frontiers in pearl analysis: Age dating, DNA fingerprinting and novel radiographic methods (2019)
Presentation by Dr. Michael S. Krzemnicki and Jean-Pierre Chalain at the Pearl Symposium in Bahrain in November 2019.
SSEF’s ASDI achieves 100% accuracy during testing by DPA’s ASSURE Program
The Automated Spectral Diamond Inspection (ASDI) device, an automated small synthetic diamond screener that was first released in 2014 by the Swiss Gemmological Institute SSEF, has been evaluated by the ASSURE Program of the Diamond Producers Association (DPA) and proved to be one the few instruments to have su
Courses at SSEF in 2020
The dates for courses at SSEF in 2020 have been announced. Come and take a course with us to advance your gemmological knowledge! We will be offering a range of courses in 2020 that cover a wide variety of topics including: introduction to gemmology, origin determination and treatment detection of coloured gem
DNA species identification of ivory
The Swiss Gemmological Institute SSEF has become the first gem laboratory worldwide to introduce DNA fingerprinting of ivory as a standard client service. It involves a scientific method that can provide valuable information about the species of ivory being used in jewellery and ornamental objects, in order to
Age Dating applied as a testing procedure to gemstones and biogenic materials (2019)
Presentation by Dr. Michael S. Krzemnicki at IGC 2019 in Nantes, France.
Multi-Element Analysis of Gemstones For Country of Origin Determination (2019)
Presentation at IGC 2019 in Nantes (France) by Dr. Hao Wang.
DNA fingerprinting of precious corals an pearls (2019)
Presentation by Dr. Laurent E. Cartier at the International Gemmological Conference (IGC) in Nantes (France) in August 2019.
Study of a recut HPHT synthetic diamond: Colour VS size VS SWUV transmission (2019)
Presentation by Jean-Pierre Chalain at the International Gemmological Conference (IGC) in August 2019.
SSEF on-site testing in Hong Kong, 11 – 22 September 2019
We will be in Hong Kong 11 – 22 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, 16 – 20 September 2019, b
SSEF in Bangkok 19 – 23 August 2019
We will be in Bangkok 19 – 23 August 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 information on our Bangkok offic