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60th Bangkok Gems & Jewelry Fair

WHEN :  6-10 September 2017 (Wednesday – Sunday) / 10:00 – 17:00
WHERE : GIA’s booth# C-08, 10/ D-07, 09 at Challenger Hall 3, Impact Muang Thong Thani

• GIA Diamond Reports
• GIA Colored Stone Reports
• GIA Pearl Reports

For more information about these services, please contact our client services representatives:
GIA Laboratory in Thailand
Gemological Research (Thailand) Co., Ltd.
U Chu Liang Building, 6th & 10th Floors, 968
Rama IV Road, Silom, Bangrak, Bangkok,
10500 Thailand
T +66 2632 4090
F +66 2632 4288
E giabkklab@gia.edu


GIA GemFest
“Introduction to GIA’s iD100™ and a Field Gemology Update”

Venue: 60th Bangkok Gems & Jewelry Fair, Jupiter 6, Challenger hall, Impact Muangthong Thani
Date: Friday, 8 September 2017
Time: 13.00-15.00
Reservation: giabkklab@gia.edu , +662 632 4090



– The GIA iD100TM testing device is an easy-to-operate, sophisticated desktop instrument to reliably separate mounted and loose natural colorless/near-colorless diamonds from synthetics and simulants.

– The colored stone deposits in Ethiopia with a focus on the recent emerald and sapphire discoveries. The mining, inclusions and advanced analytical data of Ethiopian stones will be discussed.

About the Speakers


Dr. Wasura Soonthorntantikul, G.G., FGA – Gemologist
Wasura Soonthorntantikul received her Doctorate degree in Analytical Chemistry from Chulalongkorn University, Thailand. She also holds a Graduate Gemologist (GG) diploma from the Gemological Institute of America (GIA) and FGA diploma from the Gemmological Association of Great Britain (Gem-A). She started working with GIA Laboratory in Bangkok in 2012. She is responsible for colored stone and diamond identifications. Besides examining client’s gemstones, Wasura also conducts colored stone research using GIA’s  advanced analytical instrumentation and interprets the resulting analytical data.


Wim Vertriest, G.G., FGA – Supervisor, Field Gemology
Wim Vertriest graduated from the Catholic University of Leuven (KU Leuven) in Belgium. He obtained an MSc in Geology in 2014, specializing in ‘Geodynamics & Geofluids’. The main focus during his education and research was on ore geology, hydrothermal-magmatic processes and geochemistry. During his geology studies, he became aware of gemstones through specialized classes in Antwerp. The focus was initially on diamonds, but colored stones really caught his attention. Wim obtained his Graduate Gemologist (GG) diploma from the Gemological Institute of America and FGA diploma from the Gemmological Association of Great Britain (Gem-A).
Since joining GIA in 2015, Wim has participated in GIA Field Expeditions to numerous sapphire and ruby mining areas in Thailand, Cambodia, Vietnam, Myanmar, Sri Lanka, Tanzania and Mozambique. In his role as supervisor, Wim will oversee the field gemology department and curate the colored stone research collection in Bangkok.