New search:
If you are not happy with the results below please do another search
Coloured diamond
Coloured diamond Coloured diamonds come in a wide range of colours. Report No & Photo The SSEF report number is the number given to the coloured diamond when it is submitted for testing, and is a unique number. If an item is resubmitted later for a ‚recheck‘ after re-cutting or for a report update the
Alexandrite
Alexandrite Alexandrite is a variety of chrysoberyl with a definite colour change due to the presence of chromium traces. The different colours appear due to the light source under which the stone is observed. The effect depends on the amount and distribution of colour-giving trace elements. The two colours are
Emerald
Emerald Emeralds have been revered for millennia, especially for their saturated green colour. Sources range from ancient Egypt, Swat valley (modern Pakistan) and Austria to today’s iconic sources in Afghanistan, Brazil, Colombia and Zambia. Other producers today include Ethiopia and Madagascar. As a result o
Spinel
Spinel Spinel is an attractive gemstone that comes in many colours with red being the most sought after. Kuh-I-Lal (Tajikistan) has produced pinkish red spinel of excellent quality for over a millennium, and they were historically regarded as being rubies (‘Balas rubies’). Other old mining areas include Sri
Sapphire
Sapphire The term sapphire without a colour prefix is reserved only for the blue variety of corundum, coloured by iron and titanium. All other colour varieties of corundum are either described by using a colour prefix, e.g. yellow sapphire, orange sapphire, pink sapphire, and purple sapphire to name a few, or b
Videos
Videos Quick navigation to our videos: About SSEF SSEF Courses Research About SSEF https://vimeo.com/143602201https://vimeo.com/143601580https://vimeo.com/143601579https://vimeo.com/143601581 Courses and Education at SSEF https://vimeo.com/646061960https://vimeo.com/646068572https://vimeo.com/646081379https://v
GemTrack
GemTrack™ There is growing demand for traceability and transparency—including tracking (from mine to market) and tracing (from market to mine)—of gemstones in the jewellery industry. The Swiss Gemmological Institute SSEF has decades of experience in providing scientific opinions regarding claims of o
Order Form
Order form Digital Order Form To submit an order to SSEF, please fill out the digital order form below or via this link. This digital order form is a more convenient option that saves you time and effort. The digital order form will automatically be sent to SSEF. After filling it out, you can download […
Disclaimer
Disclaimer The information contained in this website is for general information purposes only. The information is provided by the Swiss Gemmological Institute SSEF and while we strive to keep the information up to date and correct, we make no representations or warranties of any kind, express or implied, about
Privacy Policy
Privacy policy This Privacy Policy governs the manner in which the website collects, uses, maintains and discloses information collected from users (each, a ‘User’) of the SSEF website (‘Site’). This privacy policy applies to the Site and all products and services offered by the Swiss Gemmological Insti