Institute Of Gemological Research (IGR)
18/8 Dover lane, 2nd Floor
Gariahat, Adjucent to Dover lane Post Office
Kolkata - 700 029
West Bengal
Gariahat, Adjucent to Dover lane Post Office
Kolkata - 700 029
West Bengal
Telephone: +91 - 33 - 24619669
GSM/Mobile: +91 - 8583839999
E-Mail: info@igr.org.in
Website:www.igr.org.in
GSM/Mobile: +91 - 8583839999
E-Mail: info@igr.org.in
Website:www.igr.org.in
Gem Testing Laboratory.