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Introduction to Spinels
Introduction to spinels Start your journey to becoming a spinel expert in this free online course. SIGN UP FOR FREE This course is also available in French – Click here Introduction to spinels What are Spinels? Famous Spinels Explore the World’s Most Expensive Spinels How Hard is a Spinel? How to Cut a
SSEF Preferred Client Subscription
Preferred Client Subscription You can become an SSEF Preferred Client by paying an annual (calendar year) subscription fee of CHF 650.- . SSEF Preferred Clients are given a reduction on normal report prices. You can fill out the online form below. Otherwise, you can also download the form in PDF format. For mor
Press Releases
Press Releases Welcome to our media room dedicated to SSEF news.For any question or media kit inquiries, please contact us. Quick navigation to: SSEF News Facette magazine Keep up to date with our latest news 2023 SSEF validates the ASDI-500 device and provides unique worldwide service for melee diamonds down t
SSEF at GemGenève (11-14 May 2023, Booth B03)
SSEF is honoured to take part in the upcoming edition of the GemGenève show at Palexpo in Geneva. We will be offering coloured gemstone express testing services at our booth B03. SSEFGemGenève Booth B0311-14 May 2023 (May 10th is setup day, goods can be submitted from 10am onwards)Tel: +41 79 219 72 38 (only
New and additional criteria to detect low-T heated pink sapphires applied by SSEF
Heat treatment of ruby, sapphire and other colour varieties of corundum is one of the main issues for the gem trade. As such, detecting such treatment is a major task of gemmological laboratories issuing gemstone reports. Unfortunately, and especially lately, the detection of such heating is not always straight
50 years
Celebrating 50 years of SSEF To mark the 50th anniversary of SSEF in 2022, the Swiss Gemmological Institute organised a unique symposium in Basel (Switzerland) on September 1-2 2022. This symposium featured key international speakers providing broad trade expertise and deep insights into mining, cutting, pearli
Pricing Small Diamond Quality Control
Price for 100% quality control of diamond melee lots Size of lot Enter a quantity between 20 and 500 included Criteria to control Colour Dimensions / Proportions Clarity Finish Fluorescence Price (without V.A.T.) The lot is authenticated using ASDI. In rare cases where diamonds cannot be authentic
Introduction to Sapphires
Introduction to sapphires Start your journey to becoming a sapphire expert in this free online course. SIGN UP FOR FREE This course is also available in French, simplified Chinese, traditional Chinese and Japanese – Click here Introduction to sapphires What is the Difference between Sapphires and Fancy Sa
Introduction to Rubies
Introduction to rubies Start your journey to becoming a ruby expert in this free online course. SIGN UP FOR FREE This course is also available in French, simplified Chinese, traditional Chinese and Japanese – Click here Introduction to rubies What is the Difference between Rubies and Pink Sapphires? Famou
Introduction to Emeralds
Introduction to emeralds Start your journey to becoming an emerald expert in this free online course. SIGN UP FOR FREE This course is also available in French, simplified Chinese, traditional Chinese and Japanese – Click here Introduction to emeralds What are Emeralds and Green Beryls? Famous Emeralds Exp