Indian Diamond Institute is an Authorised Assayer of Department of Customs, Government of India.

The Institute, formed as a project of Gems and Jewellery Export Promotion Council (GJEPC) of Government of India,[3] offers various courses of study and research facilities at its Surat Centre.

IDI has an established R&D centre which is registered with Government of India, Department of Scientific and Industrial Research (DSIR), Ministry of Science & Technology.

[8] IDI has been accorded with recognition as a Scientific & Industrial Research Organisation (SIRO) under Department of Scientific & Industrial Research, Ministry of Science & Technology, Government of India.

It has been also recognised as Anchor Institute (Gem & Jewellery) by Industries Commissionerate, Government of Gujarat.