Certificate

 
The Gem and Jewelry Institute of Thailand (Public Organization) is the governmental organization in the form of a public organization in accordance with the Public Organization Act B.E. 2542 and was established in compliance with the Royal Decree on Establishment of the Gem and Jewelry Institute of Thailand (Public Organization) B.E. 2546. The establishment was published in the Royal Gazette on December 31st , 2003. The institute is under the supervision of Minister of Commerce.
   
 Gem and Jewelry Testing Center's Service
  • Pearl Identification
  • Distinguishing natural, seawater cultured pearls and freshwater cultured pearls; pearl treatments
  • Natural versus Cultured Pearls and Artificial Coloration
 
 The GIT offers  types of  pearl reports as follows:
 1. Gemstone Memo (Identification result without gem identification report)
      Gemstone Memo indicates variety, type, proportion, weight and brief description of the pearl which is
      sealed in a clear plastic pocket.
 
 
 
 
 2. Gem Identification Report
      Gem Identification Report indicates variety, type, proportion, weight and full description including a digital
      photograph of the Pearl. Quality grading for color, clarity and cut is available for ruby and sapphire.
      The details and photograph of the gemstone are printed on a special type of paper which bears a three-
      dimensional hologram sticker with an image of the Grand Palace to prevent counterfeiting. Each report is
      signed by two gemologists.