Gemological Science International

601-B, 6th Floor, Trade Centre Opp. MTNL Building, Bandra Kurla Complex, Bandra,
Mumbai,

Gemological Institute Of India

29, 187-189, Gurukul , Zaveri Bazar Mumbadevi Temple, 4th Floor, Kalbadevi,
Mumbai,

Indian Gemological Laboratories

Office No.110/111, Earth Castle Mall V.P. Road,
Mumbai,

IGL Gemstones Private Limited

407/408, Shubham Chambers Pipal Sheri, Mahidhrapura,
Surat,

IGI Worldwide

C-Wing, Shop No.-101-104, 1st Floor, Diamond World Mangadh Chowk, Varachha Road,
Surat,

Jewel Spring Design

53/44, Pooja Abhishek Complex Athwalines,
Surat,

International School Of Diamond

2nd Floor, Parikh Chambers Mini Bazar, Varachha Road,
Surat,

Indian Institute Of Jewellery Manufacturing

3rd Floor, Shailabh Complex Opp. Sanjivani Hospital, Near Vastrapur Lake,
Ahmedabad,

Kukadiya Diamond Trading School

112/113, Snehmudra Society Nilakanth Road, Behind Ravani Diamond, Kapodra,
Surat,

Krishna Jewellery Institute

5/939, Jadakhadi Mahidharpura,
Surat,