About
History of SGS Laboratory 

Founded in 1991 right after the School of Gemological Sciences was established, SGS Gem Laboratory back then had its own initial objective as additional services to the school. Prof. Sumalee Thepsoparn, Ph.D., the founder of SGS and a graduate Gemologist from GIA (Gemological Institute of America), along with other gemologists first offered the laboratory services to the public. Having the edge over as a pioneer of this industry in Thailand, SGS Lab utilizes the most up-to-date gemological instruments imported from USA.  With the experience of SGS gemologists in gem and jewelry research for more than 30 years, SGS is able to gain a public trust, both domestic and international, by means of its standard on the cutting edge of gemological know-how and technology.  

In 1993, another branch of SGS gem lab in Chantaburi province, where gem and jewelry traders across the globe considered as one of the most dynamic marketplace for such industry, was introduced to the local. Diamond grading report service was then initiated in the wake of successful public opening of gem identification report service. Service offered for a total period of 4 years. With an attempt to integration and development of service quality, SGS provided a shipping service (Thailand Post / FedEX / EMS) to the customer as an alternative.  Clients from Chantaburi province had their gems sent to the office in Bangkok and checked for its authentication since then.

Over the past 20 years, SGS has long been providing gem laboratory services to our clients, private companies and several public organizations; such as, Thai Airways International Public Company Limited, Electric Generating Authority of Thailand, and Petroleum Authority of Thailand (PTT), acting as a third person and being steadfast in our principles of transparency, integrity and professionalism.

SGS Laboratory gemologists have been regularly trained and updated the practical knowledge of gemological research of both domestic and international domain to retain and better up the quality and standard to supply to the need of this ever-changing industry.

Carefully designed for upcoming generations as looking forward to the future, SGS Website LAB section was another alternative method to provide the ultimate service to its customers. From the beginning of 2012, SGS boasts its novelty and welcome customers to participate and get excited in our full-fledged gem laboratory service to obtain maximum satisfaction from our customers.
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