美国珠宝学院赞助英国宝石学院将英文教材翻印成中文。
Jewelry Institute of America is proudly supporting Gem-A to translate its English course books to Chinese.
亚洲宝石学院及鉴定所自1983年成立，为业界及公众人士提供高科技全科宝石鉴定服务。
AGIL was established in 1983, providing advanced gem testing service to jewellery traders and the general public.
亚洲宝石学院及鉴定所自1983年成立，为业界及公众人士提供高科技全科宝石鉴定服务。
AGIL was established in 1983, providing advanced gem testing service to jewellery traders and the general public.
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