GDTLI is setup by well known Gemologist Abdul Jabbar Khan (ex-Faculty GII), who belongs to a gem cutters family having an experience of gem cutting and teaching for more than 40 years.
GDTLI is dedicated to cater to gems & diamonds industry and to promote beginners and new aspirants to start their business in gems & diamonds. We impart practical knowledge to very small groups of 2-3 students on one on one basis. Our specialty of teaching is only with 10x lens.
Opinion Slip is handwritten small slip which is issued after performing testing procedures. This slip is as good as Certificate on which anyone can rely.
Certificates are computerized printed report which is issued after completing the testing procedures in detail.
Certificates are computerized printed report which is issued after completing the testing procedures in detail.
Certificates are computerized printed report which is issued after completing the testing procedures in detail.
Certificates are computerized printed report which is issued after completing the testing procedures in detail.
Treatment/Enhancement certificates are issued after thorough study of the inclusions and internal structure to make sure whether it is a natural or enhanced one.
Origin certificates are issued by taking utmost care and studying the internal pattern of inclusions, to the determine the origin.
In Gemstones course one will get to see and know about more than 500 gemstones of different qualities, naturals, synthetics, pearls and some of organic materials also. Every student is given personal one to one attention.
Download BrochureIn Diamonds you'll learn all about 4C's of Diamonds including rough diamonds, manufacturing aspects, cuts & types of cuts, colour grading, clarity grading and cut grading. Every student is given personal one to one attention.
Download BrochureWe have specialized courses for those students who have completed our Advance Gem Identification course. We impart practical knowledge with actual specimens of different origins with or without treatment/enhancement.
Landline: +91-22/022 4979 1899
Always buy a Gemstone/Diamond with a genuine Certificate.
Our lab provides services faster than any other lab, depending upon the specimen.
Our results are authentic and accurate. We provide results once we are 100% satisfied.
Our results are recognized by various Traders & Organizations as 100% reliable. Our students have achieved success in Gems/Diamonds business.
Over the years we have served the industry to give the best and authentic services. We have trained beginners from other industry and helped them to start their own business in Gems & Jewellery successfully.
More than 3 decades experience, I rely on GDI for complete and confirm testing results of rare and high valued gemstones with its origin to market internationally. Diamonds are most cognified through able eyes of Jabbar bhai. His professional expertise and personal skills make us sure to gain and use moment' always.
Gems & Diamonds Institute is a unique place where you can convert your life to an immense bundle of endless opportunities once you’re trained under Mr Jabbar Khan. Jabbar Sir has transformed many such lives over the past 2 decades and converted them to successful entrepreneurs and experts in the subject matter of Diamonds, Gemstones, Identification & Appraisals to name a few… If you’re serious to change your future, get enrolled Today!! Good Luck!
I am his ex student studied in GII. When he was the professor there. almost 37 years passed and I feel great pleasure while reviewing today. Educational and trustworthy laboratory. Had a very great experience.