Spectrum Gem Testing Lab
No. 3- 4- 471, Mahankali Street, First Floor,
Secunderabad- 500003, Telangana (India)
K. Vinai Kcumaar
Srinagar Colony, Banjara Hills
Hyderabad- , Telangana (India)
GID Golconda Institute Of Diamonds Lab & Lapidary
# 6-2-29/3/12, 3rd Floor, Doulat Plaza, Lakdi-ka-pul
Hyderabad- 500004, Telangana (India)