Courses by Gem and Jewellery Research and Training Institute (GJRTI) / Courses in Sri LankaCalling Applications for Courses by Gem and Jewellery Research and Training Institute (GJRTI) 2017 December 31, 2016July 7, 2018 Advertisement Published Date – 2016-December-18 Advertisement English Edition Preview Download Advertisement (English Edition) Apply Online Instructions to Candidates Head (Training), Gem and Jewellery Research and Training Institute, No. 382, New Kandy Road, Malambe. Tel : +94-11-2413630, +94-11-2413630, +94-11-2413640, +94-11-2413640 Email – [email protected] Source – Observereducation.lk Website, Gem and Jewellery Research and Training Institute Official Website