Grading Cutting Stone, the final step is to set up the grouping of the precious stones by size and colour for specific orders from the customers.

Quality Check, final check by our QC who is Director of Expert Gems company which has more than 20 years of experience.
This is to make sure that the grading has the same standard.

Thai Ver.
 
 
PROCESS OF PRODUCTION (Grading & Quality Check)
 
Seperating | Heat treatment | Preforming | Gemstone Cutting | Polishing | Grading | Home