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Gubelin Academy x TGJTA 

THE GLOBAL GEM STANDARD, NOW IN BANGKOK!  ELEVATING THAILAND'S GEM KNOWLEDGE.

COLOR GEM PROFESSIONAL (CGP)

The only chance in Thailand to learn the world-class gemmological standard directly from Gubelin Academy, combining Switzerland precision with hands-on expertise at the heart of the Thai Jewelry Hub.

Level 1   Introduction to the Big Three
Duration:     2 Full Days 
Dates:        May 21-22, 2026 
Price:        CHF 1,180.- 

Level 2    Color Gem Professional
Duration:     5 Full Days 
Dates:        May 25-29, 2026 
Price:        CHF 2,390.- 

* Important Condition: Level 2 cannot be taken separately. Required Level 1 as a prerequisite.

   Special offer: Level 1 & Level 2 only CHF 3,390 for both courses.   

Course Location:           Thai Gem and Jewelry Traders Association,  52nd Floor, Jewelry Trade Center (JTC), Bangkok, Thailand

Instruction Language:   English

          

     COLOR GEM PROFESSIONAL ON-SITE COURSE     

  Level 1: Introduction to the Big Three (2 Days)  

- A fast-track introduction to Emerald, Ruby, and Sapphire.

- Master the 4Cs and understand the true meaning of Origin and Treatment.

- Learn powerful Storytelling to enhance sales and value proposition.

 

 

 

 

 

  Level 2: Color Gem Professional (5 Days)  

- In-depth exploration of origins, treatments, and Color Calls (e.g., Pigeon Blood).

- Hands-on practice with essential gem tools and Gübelin Reference Stones.

- Master the loupe and tweezers for scientific diagnosis of inclusions.

* Limited to 10 participants for individual coaching.

 

 

 

  Level 3: Advanced Microscopy (5 Days)  

- The practical culmination of your CGP journey.

- Master the microscope to examine inclusions and internal features for detailed treatment and origin determination.

- Gain insights into advanced gemmological examination and laboratory testing.

* Level 3 is currently offered in Lucerne (Switzerland), leading to the full Colour Gem Professional Diploma.

 

BECOME A CERTIFIED COLOR GEM PROFESSIONAL (CGP)

For registration and details, contact: [email protected]

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