Logo
TH | EN

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]

Related Post

TGJTA attended Gem Sri Lanka 2026

TGJTA attended Gem Sri Lanka 2026

President of the Thai Gem and Jewelry Traders Association (TGJTA) attended Gem Sri Lanka 2026, an international gem and jewelry trade exhibition held in Colombo, Sri Lanka.

"Cremation Diamonds": Fact or Marketing Fiction?

In an era where people seek unique ways to memorialize their departed loved ones, "Cremation Diamonds" have emerged as a compelling option. Various companies claim they can extract carbon from cremation ashes or hair to synthesize beautiful, genuine diamo

© 2021 TGJTA All Rights Reserved.