SSEF in Bangkok 27 May – 05 June 2026
We will be in Bangkok 27 May – 05 June 2026 offering our on-site testing services. The office will be closed on May 30th and 31st. Our office is in the gem trade district at the Silom Road. Equipped with our instruments and spectrometers, we will be testing coloured gemstones. Our local phone number during [&
The Hidden Gem Podcast – Episode #5 with Prof. Dr. Henry A. Hänni: On a life in gemmology, curiosity, and the courage to question
Recorded in the summer of 2024, this episode is a conversation with Professor Dr. Henry Hänni, who served as Director of SSEF from 1990 to 2009 and whose work helped shape modern gemmology.
The Hidden Gem Podcast – Episode #4 with Hussain Alfardan: On a lifetime with natural pearls
Hussain Alfardan, one of the world's most influential collectors of natural pearls, joins Michael Krzemnicki and Laurent Cartier at GemGenève to share a lifetime spent with pearls.
The Hidden Gem Podcast – Episode #3 with Joanna Hardy: On gems and being custodians of what the earth provides
Jewellery historian and Antiques Roadshow specialist Joanna Hardy joins Laurent Cartier at Goldsmiths’ Hall in London to talk about a career built on curiosity — from a childhood spent surrounded by her godmother’s mineral cabinets, to sorting rough diamonds at De Beers in the 1980s, to writing definitive
The Hidden Gem Podcast – Episode #2 with Enzo Liverino: On precious coral, craftsmanship, and the heritage we pass on
Fourth-generation coral specialist Enzo Liverino joins Laurent Cartier to talk about precious coral — a material humans have prized for thousands of years, from Mediterranean fishermen to Tibet and the kings of Benin.
The Hidden Gem Podcast – Episode #1 with Helen Molesworth: On why gems and jewels touch every level of humanity
Jewellery historian and gemmologist Helen Molesworth joins Laurent Cartier at the V&A in London to explore why gems have captivated humanity for thousands of years.
SSEF at GemGenève (07-10 May 2026, Booth F92)
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 F92. SSEFGemGenève Booth F9207-10 May 2026 (May 6th is setup day, goods can be submitted from 10am onwards)Tel: +41 79 219 72 38 (only d
Video: Watch our latest talk about synthetic diamonds (AGTA Tucson)
Synthetic Diamonds: What’s New and What’s Next? Join Julia Griffith FGA DGA EG from SSEF as she explores intriguing findings from SSEF’s latest research and unpacks what gemmologists need to know now.
Unheated Pink Sapphire from Madagascar with OH-related 3232 and 3185 cm–1 FTIR Bands
A new article in the Journal of Gemmology by SSEF gemmologists examines OH-related FTIR bands at 3232 and 3185 cm⁻¹ — peaks that are often interpreted as indicators of heat treatment.
The 30th Edition of SSEF Facette is now available
The wait is over! We are proud to announce the publication of the 30th edition of SSEF Facette magazine. This milestone issue continues our three-decade tradition of sharing cutting-edge research and insights from the Swiss Gemmological Institute.