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Alexandrite

Tsarstone collectors guide

The Gem and Jewelry Institute of Thailand

Offers authenticity of gemstones and their treatment reports, identification of pearls and their treatments, diamond grading and laser inscription on diamonds and colour gemstones.

The Gem and Jewelry Institute of Thailand
Homepage Address Contact
www.git.or.th Gemmological Research and Testing Building
Phayathai Road
Bangkok 10330
Thailand
N: Pen Chan
T: 662-218-5470-4
F: 662-218-5474
E: jewelry@git.or.th

IT Gem Testing Laboratory (GIT-GTL), has been accredited by The World Jewellery Confederation (CIBJO) as the CIBJO Registered Laboratory since May 2000.

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Bibliographic details
Page title The Gem and Jewelry Institute of Thailand
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 12 August 2011 01:16 UTC
Date accessed 09 April 2026 09:33 UTC
Permanent link http://w.alexandrite.net/viewpage.html?id=WDD-003-00015
AMA style
David Weinberg. "The Gem and Jewelry Institute of Thailand". In Alexandrite Tsarstone Collectors Guide. August 12, 2011, 01:16 UTC. Available at: http://w.alexandrite.net/viewpage.html?id=WDD-003-00015. Accessed April 09, 2026.
APA style
"The Gem and Jewelry Institute of Thailand". (2011, August 12). In Alexandrite Tsarstone Collectors Guide. Retrieved 09:33, April 09, 2026, from http://w.alexandrite.net/viewpage.html?id=WDD-003-00015.
Bluebook style
"The Gem and Jewelry Institute of Thailand", http://w.alexandrite.net/viewpage.html?id=WDD-003-00015 (last visited April 09, 2026).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "The Gem and Jewelry Institute of Thailand", http://w.alexandrite.net/viewpage.html?id=WDD-003-00015 () (as of Apr. 09, 2026, 09:33 GMT).
CBE/CSE style
David Weinberg. "The Gem and Jewelry Institute of Thailand". In Alexandrite Tsarstone Collectors Guide. 2011 Aug 12, 01:16 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2011 Aug 12, 01:16 UTC [cited 2026 Apr 09]. Available from: http://w.alexandrite.net/viewpage.html?id=WDD-003-00015.
Chicago style
David Weinberg, "The Gem and Jewelry Institute of Thailand", http://w.alexandrite.net/viewpage.html?id=WDD-003-00015, (accessed April 09, 2026).
MLA style
"The Gem and Jewelry Institute of Thailand". Alexandrite Tsarstone Collectors Guide. 12 Aug 2011, 01:16 UTC. 09 Apr 2026 http://w.alexandrite.net/viewpage.html?id=WDD-003-00015
MHRA style
David Weinberg, "The Gem and Jewelry Institute of Thailand", Alexandrite Tsarstone Collectors Guide, 12 August 2011, 01:16 UTC, http://w.alexandrite.net/viewpage.html?id=WDD-003-00015 [accessed 09 April 2026].
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