Welcome to D.G.L

Diamond Gemological Laboratories helps you asses and authenticate diamonds. Find out more about our certification options.

Our laboratory services

Our D.G.L Appraisal report for loose and Jewelry, provides information including the diamond type, stone grading, carat weight, calculated value, treatment disclosure and more. Our labs are equipped with the latest technologies to ensure accuracy in our grading and identification of diamonds.

Diamond Type
Stone Grading
(Color - Cut - Clarity)
Carat Weight
Appraisal

About D.G.L

D.G.L grading certificates and appraisals are recognized for their accuracy and integrity, defining industry standards in evaluation and appraisal.

Our goal is to give our customers an accurate evaluation and appraisal of their jewelry.

You should never settle for less than the best. Our expert gemologists provide you with the data you need. Validate your authentic certificate today.

Our reports