SSEF at Tucson AGTA show (03 – 09 February 2025)
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 Galleria03 – 09 February 2025 Tel: +41 79 219 72 38 (only during AGTA Tucson show) [&hell
SSEF closed 21 December – 5 January
Our whole team would like to thank you for your confidence in our services and for following us on our social media accounts. We wish you peaceful holidays and look forward to working with you in 2025. We would like to inform you that the SSEF laboratory will be closed for the holidays from December 21st [&hel
SSEF Scholarship recipients 2024
We are delighted to announce the recipients of the inaugural SSEF Educational Scholarships in Gemmology, awarded annually to individuals with a passion for gemmology. These scholarships, established by the SSEF Foundation to make gemmological education more accessible, allow recipients to take an SSEF course fr
Gemmological Characterisation of Emeralds from Musakashi, Zambia, and Implications for Their Geographic Origin Determination
Gemmological Characterisation of Emeralds from Musakashi, Zambia, and Implications for Their Geographic Origin Determination. Journal of Gemmology, 2024, 39, 4, 338-350.
New research on Musakashi emeralds published
SSEF researchers have published their recent research on Musakashi emeralds in the latest edition of the Journal of Gemmology. Abstract: Emeralds from the Musakashi area of Zambia entered the gem trade in early 2002 inrather small quantities. Faceted stones are mostly available in smaller sizes (1–5 ct) but o
SSEF director awarded 2024 Bonanno award for gemmological excellence
Dr. Michael S. Krzemnicki, director of SSEF, is the AGA Antonio Bonanno Award recipient for 2024. Dr. Krzemnicki will be formally recognized at the gala dinner dance following the AGA Gemological Conference on February 05, 2025 in Tucson, Arizona. He has been invited to give a presentation on the topic of ̶
Afghanite of Exceptional Size and Quality from Badakhshan, Afghanistan
Afghanite of Exceptional Size and Quality from Badakhshan, Afghanistan. Journal of Gemmology, 2024, 39, 1, 7-8.
Age dating of gemstones, pearls and corals (2024)
Presentation by Dr. Michael S. Krzemnicki at the 2024 Gem-A conference in London in November 2024.
SSEF launches Education Scholarships
SSEF is launching two educational scholarships in gemmology, that will each be awarded once annually. They allow the scholarship winner to take a course at SSEF for free. SSEF will also cover the necessary economy flights and hotel costs required for the candidate’s participation (1 person) in the course. The
A descriptive study on as-grown and HPHT-treated CVD synthetic diamonds
The Swiss Gemmological Institute is testing more than one million colourless melee diamonds for the Swiss watch and jewellery industry on an annual basis to guarantee that no synthetic diamonds are mixed within natural melee diamond batches.