Gemstone Testing Labs
Delhi
Gems and Jewellary Export promotion Council, Jhandewalan, New Delhi.
Jaipur
Gem Testing Laboratory, Rajasthan Chamber Bhawan, M.I. road, Jaipur - 302003, Tel - 568221 / 573565
Kolkata
Geological Survey of India, 5 Kyd street, Kolkata.
Mumbai
Gemmological Institute of India, 29 Gurukul Chamber, 187 - 189 Mumba Devi Road, Mumbai. Ph - 3420039 3413785.
