4 tempat yang diperbarui Juli 16, 2013
4 tempat termasuk Asian Institute of Gemological Sciences (AIGS), GIA Labboratory Bangkok, The Gem and Jewelry Institute of Thailand (GIT), The Gemmological Association of Great Britain (Gem-A)
6 tempat yang diperbarui
6 tempat termasuk Jewelry Trade Center, Multicolour Gems Ltd, TrueCoffee, Lumphini Park
11 tempat yang diperbarui
11 tempat termasuk Jewellery Quarter, The Gemmological Association of Great Britain (Gem-A), Hong Kong International Airport, The Gem and Jewelry Institute of Thailand (GIT)