4 mekan güncellendi Temmuz 16, 2013
4 mekan 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) dahil
6 mekan güncellendi
6 mekan Lumphini Park, Jewelry Trade Center, China Stone, Multicolour Gems Ltd dahil
11 mekan güncellendi
11 mekan Jewellery Quarter, The Gemmological Association of Great Britain (Gem-A), Hong Kong Uluslararası Havalimanı, The Gem and Jewelry Institute of Thailand (GIT) dahil