AGT Gem Laboratory

Address

Okachimachi CY Building, 2nd Floor, 5-14-14 Ueno, Taito-ku, Tokyo, Japan

Telephone

[81] 338348586

Fax

[81] 338348589

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All types of Gemology. AGT GEM LABORATORY in agreement with the GIA, gives the GIA courses in Japan. Diamond grading, and colored stone grading.

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