Next batch of Diploma in Gemmology Starting from 9th Jan 2024.
and Diamond Grading starting from 9th Jan 2024.

Laboratory Services

GII is the most progressive and trusted institute in India with a rock solid credibility which is proving enough for diamond graders to use GII’s diamond grading reports as bench marks.

Education at GII

In the year 1971, for the first time, the seed of Gemmology was sown in the country by the Gemmological Institute of India and today GII is proud to state that the courses offered by the institute are at par with any such courses offered elsewhere in the world.

Certificate Verification

Data from 1-Apr-2013

Diamond Detection Resource Center (DDRC)

The Diamond Detection Resource Center (DDRC) is a shining example of how the GII has advanced with the times, keeping pace with contemporary technological developments and the challenges they have raised for the industry. It is a dedicated facility for certification of diamonds and detection of synthetic stones or simulants, as well as dissemination of information related to synthetic diamonds.

Onsite Testing (Mobile Lab)

GII conducts ON-SITE jewellery grading for interested clients, provided the minimum criteria is fulfilled.

For minimum criteria information kindly join the chat with our Customer Service Representative.

Chairman Emeritus Message

I welcome you to the Gemmological Institute of India, which we had established during the year 1971, with a view to impart scientific knowledge and propagate the science of gemstones in India. We really had a difficult time in convincing…


A world-class education and laboratory testing services


Research & Development

GII may be better known in the industry for its work in the field of certification, but its activity as a Research & Development (R&D) centre in gemmology has been no less significant.

Know About Gems

Nine stones representing the planetary system is widely used in India for astrological purposes. People from all walks of life ranging from film stars from Bollywood to a daily wage earner in a factory or in an agriculture field have always shown fancy and faith in Navagraha stones.


Cases of Success

Events and Media

Upcoming Event

Upcoming Courses

Next batch of Diploma in Gemmology Starting from 9th Jan 2024
and Diamond Grading starting from 9th Jan 2024

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