Gemmological Institute of India has now started provinding the facility for sealing of individual diamonds. These sealed packets have been specially designed by Certiline, Italy, as per the international standards. These sealings are tamper proof and have a fluorecent image of GII Logo. It may not be out of place to mention it here, Certiline provides sealing packets to laboratories like HRD ( Hoge Raad voor Diamant ) and many other internationally recognsed laboratories.

The Diamond Grading Laboratory started by the Gemmological Institute of India has gathered immense popularity in a short span of time. It has become the focal point for any one who wants to buy or sell diamonds today. The Diamond Grading Laboratory of the institute has made a niche in the minds of the people for the integrity and credibility of its reports for the colour and clarity of diamonds.

Colour and clarity of diamonds are certified by the GII as per CIBJO standards. GII has highly qualified gemmologists, specially trained at HRD Antwerp, Belgium and the Master Diamonds, duly approved by CIBJO, imported through the Gemmological Association of Great Britain, London for grading and certification at the diamond grading laboratory.

GII has completed 31 years of its dedicated service to the industry. Over these 3 decades it has acquired a tremendous.confidence and acclamation from the industry for its dedication and trustworthiness in itsservice especially for the certification of gemstones. The gem testing certificates are considered to be impeccable document of authenticity before dealing in gemstones. The laboratory is recognized by CIBJO the apex organization of Gem & Jewelry Trade in the world today.

CIBJO rules and regulations safe guard the industry especially in matter related to nomenclature, treatment and laboratory certification of gemstones. The laboratory of the Gemmological Institute of India is also recognized by the Government of India, as a SIRO ( Scientific and Industrial Research Organization ) Laboratory, a most prestigious and coveted recognition acclaomed to a Research Laboratory by the Department of Science and Technology, Government of India.