TRUSTED, RELIABLE PRECIOUS GEM TESTING & CERTIFICATION

GIADJ is equipped with the most advanced gem testing equipment available including FTIR, UV-VIS, and Raman spectrometers. This advanced equipment, operated by experienced, trained, and trusted gemologists enables GIADJ to produce accurate and insightful precious gem certifications and reports.
  • Trust & Confidence – The lab is manned and directed by experienced gemologists with 7+ years of hands-on experience. This assures our customers that they are receiving the most reliable and accurate gem reports possible.
  • GIADJ International Standards- GIADJ grading diamonds color grade against GIADJ graded Master Stones. This ensures that your diamonds are graded to precise international standards.
  • Online report access – GIADJ customers can view and verify reports online from anywhere in the world giving unsurpassed convenience and peace of mind.
  • Quick turnaround time – GIADJ offers a fast turnaround time of 24 working hours for ensuring diamond testing and certification is never a roadblock in getting the deal done.
  • Super Express service – Express service of only a few hours (depending on availability) is available at a regular charge.
  • Mobile lab services – GIADJ’s mobile lab is ready to conduct on-site testing at your establishment, giving you even more convenience.

Gemological Institute of Asian Diamond Jewellery Pvt. Ltd. (GIADJ) is an independent registered private limited company in India. We are in no way related to or affiliated with the Gemological Institute of America (GIA).