GJRTI focuses on diverse research areas including survey of gem minerals in Sri Lanka; gemstone enhancements; jewellery manufacturing and metallurgy; gemmological researches pertaining to origin and treatment determinations; organic and man-made gems; sustainability and ethical sourcing; market and consumer research.

Research Team

R M N P K Jayasinghe

Head Research and Senior Research Officer

M.Phil. – Earth Science, M.Sc.–Geographic Information Systems and Remote Sensing

B.Sc. (Sp) – Physical Sciences

Tel  : 0112-579185 / 077-3262622     |   Email: naleenlk@hotmail.com

Google Scholar : R.M.N.P.K. Jayasinghe

Research Gate : R.M.N.P.K. Jayasinghe

W G C N Wewegedara

Research Officer

M.Sc. – Gemmology, B.Sc. (Sp) – Mineral Resources and Technology

Tel  : 071-2937279            |       Email: chandimawgcn@gmail.com

Google Scholar : W G C N Wewegedara

Research Gate : W G C N Wewegedara

Sandun Illangasinghe

Research Officer (Scientist)

B.Sc. M.Phil.(Earth Science), PG.Cert.(Switzerland), OJT-Mineral Processing (MINTEK, South Africa)

Tel : 0452228808             |         Email: sillangasinghe@gmail.com

Google Scholar : Sandun Illangasinghe

ResearchGate : Sandun Illangasinghe

ORCID: 0001-6757-3661

M.A.N.C Manthrirathna

Research Officer

B.Tec.(Sp) Material Science, MSc in Nano Science and Technology (Reading)

 Tel : 071 2271574         |       Email: nadeeka.mn@gmail.com

W.R.Lakshanthi

Geographic Information System Assistant

BA(Sp) Geography, MSc in GIS and Remote Sensing

Tel : 077 14 84 720        |          Email : lakshanthi@gjrti.gov.lk

S. Sutharshan

System Assistant

BTech in Networking, Digital Mktg. Dip. (Australia)

Tel : 0755 4347 886          |           Email: Sutharshankanna04@gmail.com

P. L. P. M. Liyanage

Technical Assistant

Dip in Electrical & Electronic Technology

Tel : 071-5850998           |            Email: pasimcg@gmail.com

S.Wijewardane

External resource person

BSc. Hons.Geology, MSc in Gemmology

Tel : 070-3332234           |            Email: samudra.wijewardane@gmail.com

S.D Abeysekara

External resource person (Junior )

BSc. Hons.Geology, MSc in Gemmology

Tel : 071-3858516          |            Email: sdabeysekara1993@gmail.com

Google Scholar Link: S.D Abeysekara

A.H.P.K.Seenigama

External Research Assistant

 BSc in Mineral Resources and Technology (Mineral Processing Technology Specialization)

Tel : 077-2943100             |            Email: pasinduseenigama98@gmail.com

R.M. Ruwanthika Kumari

External Research Assistant

Bachelor of Science (Honours) in Geology, University of Peradeniya

Tel : 076-5411103             |            Email: ruwanthikakumari98@gmail.com

Research Gate Link: R.M. Ruwanthika Kumari