New and additional criteria to detect low-T heated pink sapphires applied by SSEF
Heat treatment of ruby, sapphire and other colour varie […]
SSEF and UNIMEC introduce the ASDI-500, world’s most precise automated small synthetic diamond screener
The ASDI-500 is able to detect and extract synthetics a […]
50 years of SSEF: special symposium & gathering of key industry leaders in Basel
For 50 years, the Swiss Gemmological Institute SSEF has been the forefront of scientific gemmological research and testing to support a thriving gemstone and jewellery trade. In tribute of both its mission and accomplishments, some 150 industry leaders and opinion-makers from around the world gathered in Basel
SSEF at Jewellery & Gem World Singapore (27-30 September 2022, Booth 5B36)
SSEF will exhibit at Jewellery & Gem World Singapore (27-30 September 2022, Booth 5B36)
SSEF turns 50 – enter quiz and win prizes!
SSEF turns 50 in 2022! The non profit Schweizerische St […]
SSEF conducts analysis of cobalt-blue spinel from a newly reported source in Tanzania
For several months already a supply of blue cobalt-bearing spinel has been appearing in the gem trade, including some stones of remarkable size -up to 40 carats- and quality. According to information from reliable sources, the source of the new find is a deposit located about 20 kilometres south-east of Mahenge
New additional test at SSEF for the colour stability of rubies
In light of information gathered over the past few months, we have now added rubies to this colour stability testing protocol, specifically but not limited to rubies originating from Mozambique.
Scientists report breakthrough in precious coral traceability using novel genetic-testing method on samples seized by customs
BASEL, SWITZERLAND: FEBRUARY 14, 2022 – An internationa […]
SSEF closed 23 December – 2 January
The SSEF laboratory will be closed for the holidays fro […]
SSEF adds online courses in Japanese and traditional Chinese to its free-of-charge ‘Understanding Gemstones’ programme
The Swiss Gemmological Institute SSEF has added courses […]