Sgs.ac.th
- Title
- SGS - The School of Gemological Sciences / Gem laboratory
- Meta Description
- School for excellence of an experience in teaching of gemological sciences for more than 20 years. SGS has accreditation and is a certified school from Ministry of Education, using the most up-to-date equipment, standardized tools and information for the students. SGS offers also gem laboratory services to the public: issuance report of colored stone(ruby & sapphire), diamond, pearl and all kinds of gemstone.
- Meta Keywords
- sgs, อัญมณี, เพชร, พลอย, สถาบันอัญมณีวิทยา, The School of Gemological Sciences, Gem laboratory