Bangkok Institute of Gemologist (BGS)
Bangkok Institute of Gemologist (BGS) is a professional gemological laboratory providing integrated grading and testing services. Our experts conduct comprehensive analyses of natural diamonds, lab-grown diamonds, and gemstones, combining microscopic examination with advanced instrumental methods. BGS issues Identification Reports, Enhancement Reports (treatment detection), Geographic-Origin Reports, and Fade/Lightfastness Testing results. Every finding can be delivered in our portable Pocket Card format for easy carrying and verification.
Report types
Identification Report
Confirms species/variety of diamond or gemstone.
Enhancement Report
Detects and discloses treatments or enhancements.
Geographic-Origin Report
Determines the likely origin for qualifying gemstones.
Fade/Lightfastness Testing
Evaluates color stability under light/heat exposure.
Pocket Card
Compact report format; optional QR code for online verification.
Gemological Certificates
Synthetic & Treated Gem Identification
Institution: Asian Institute of Gemological Sciences (AIGS)
Recipient: Nuttawut Padparadscha
Details: Successfully completed the course in Synthetic & Treated Gem Identification
Gem Identification
Institution: Asian Institute of Gemological Sciences (AIGS)
Recipient: Nuttawut Padparadscha
Details: Successfully completed the course in Gem Identification.
Diamond Grading & Pricing
Institution: Asian Institute of Gemological Sciences (AIGS)
Recipient: Nuttawut Padparadscha
Details: Successfully completed the course in Diamond Grading & Pricing.
Colored Stone Grading & Pricing
Institution: Asian Institute of Gemological Sciences (AIGS)
Recipient: Nuttawut Padparadscha
Details: Successfully completed the course in Colored Stone Grading & Pricing.
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