We will be in Bangkok 21 – 25 May 2018 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 servic

SSEF is honoured to take part in the upcoming  first edition of the GemGenève show at Palexpo in Geneva. We will be offering coloured gemstone express testing services at our booth B7-1. Further, Dr. Michael S. Krzemnicki will be giving a talk during GemGenève, details of which can be found further below. S

The latest edition of SSEF’s Facette magazine has been published. It is now also available online as a PDF. This magazine brings you reports of our latest gemmological research and findings, courses and other SSEF activities. Read Facette SSEF Facette No. 24, 2018 featured articles: Padparadscha-like fanc

We very recently came across a series of fine Burmese rubies (Mogok-type), which were treated with artificial resin (polymer-type) to modify the clarity of these fissured stones. Given that this is not a common treatment for rubies, we want to inform clients of the possibility of treating rubies with artificial

SSEF is introducing to the market a new system for scanning both single and multi-strand pearl necklaces. Called PearlScan®, it is able to count large quantities of pearls on strands and measure their dimensions. Consisting of an A4 scanner, computer and proprietary software, the system offers the pearl indust