National Gem & Jewellery Authority

Assay Office – Colombo

No.12, Mackson’s Tower, Alfred House Garden,

Colombo 03, 

Sri Lanka.

Tel   : 094 11 2390652 (Direct line.)

               : 094 11 2390645 – 8 (Extension 354/355/356)

Fax    : 094 11 2320758

Email      : assayofficelk@gmail.com / assay@ngja.gov.lk  

Web: www.ngja.gov.lk

National Gem & Jewellery Authority

Assay Office – Galle

No. 50 1/1, First Floor, 

Prince Theater Building 

Havelock Road,

Galle, Sri Lanka

Tel/ Fax :  091 2244939

Email : assay.galle@ngja.gov.lk

Web: www.ngja.gov.lk