GIA (Gemological Institute of America) is a research institute specializing in gemology, located in New York, New York. Situated at 50 W 47th St on the 8th floor, this institute....
- 50 W 47th St 8th floor
- New York
- New York
- 10036 (zip code)
- 50 W 47th St 8th floor
- New York
- New York
- 10036 (zip code)


































