Gettings your precious gem(s) and diamonds tested, appraised, valued, and certified by PGTL is easy and hassle-free. Simply:
Details gem testing report requests and gems are collected.
Basic measurements are taken on your precious gemstone or diamond.
Your gem or diamond is graded at our testing and certification laboratory.
Your gem or diamond is identified, allotted an unique number and certified.
Our state of the art gem testing laboratories in Chennai, India, Colombo and Beruwala, Sri Lanka are equipment with the most advanced gem testing and grading equipment available. Our expert technicians operate advanced equipment including FTIR, UV-VIS, and Raman Spectrometers to test your diamonds and precious gemstones as accurately as possible