WHO WE ARE
Why Choose GDI Laboratories
GDI is an independent International Laboratories specializing in diamond gemstone and jewelry identification, quality
analysis and evaluation.
Our laboratory first start in Belgium, And expanded in the world. The art technology, instruments and the most highly experienced gemologists, graduates of the Gemological Institute, to provide the most accurate and professional
jewelry, diamond and gemstone evaluations. With state of the art gemological equipment and a staff of distinguished
gemologists and appraisers, GDI is establishing elite standards in the world of gemological certificates and appraisals. Our
turnaround time is generally 2-3 business days of receipt. We strive to provide our clients with quality service and trusted
results they can depend on.
A true value for your diamond
PEOPLE FROM ALL OVER THE WORLD SEND THEIR DIAMONDS TO THE GDI LABORATORY FOR GRADING AND ANALYSIS.