Sri Lanka only allows the export of cut and polished gemstones from the country. Consignments of gem and jewellery can only be exported through the National Gem and Jewellery Authority (NGJA) located at No 25, Galle Face Terrace, Colombo 3. This service can be accessed at the Diamond Export Unit located at the Air Cargo Village – Bandaranaike International Airport Katunayake & Geuda Export Unit located at the NGJA branch office in Rathnapura.