Precious Gem Testing and Diamond Grading Laboratory and Certification in India and Sri Lanka

Getting your precious gem(s) and diamonds tested, appraised, valued, and certified by PGTL is easy and hassle-free. Simply:

    1. MEMO RECEIPT Details gem testing report requests and gems are collected.
    2. Receive an intake receipt which includes weight, declared value and estimated delivery time.
    3. PGTL grades and identifies your gem(s) along with any other requested tests.
    4. You receive your gem(s) along with your certified report.

step1
1

Memo Receipt

Details gem testing report requests and gems are collected.

step2
2

Weighing and Measuring

Basic measurements are taken on your precious gemstone or diamond.

step3
3

Cut, Clarity, Color, Grading

Your gem or diamond is graded at our testing and certification laboratory.

step4
4

Identification

Your gem or diamond is identified, allotted an unique number and certified.