Sri Lanka

Competent Ministry

National Gem & Jewellery Authority
State Ministry of Gem and Jewellery Related Industry
No 12, Macksons Tower, Alfred House Gardens
LK - COLOMBO 03
T. +94 11 23 90 64 5-8
F. +94 11 23 20 75 8


Authorised Assay Office

Sri Lankan Assay Office
State Ministry of Gem and Jewellery Related Industry
No 12, Macksons Tower, Alfred House Gardens
LK - Colombo 03
T. +94 11 23 90 65 2
F. +94 11 23 20 75 8
[email protected]; [email protected]

Country profile

Last updated on 09-05-2025

The information provided in the table below serves a purely informative purpose and does not have any official or legal status (see disclaimer).  To ascertain that the information is still correct and up-to-date, please contact the authorised Assay Office.

Status Applicant State
Control system Voluntary hallmarking
Legal precious metals & standards of fineness*
Platinum Gold Palladium Silver
999 999 - 999
950 916 - 925
900 875 - 800
850 750 - -
- 585 - -
- 417 - -
- 375 - -
- 333 - -
Weight exemptions**
Platinum Gold Palladium Silver
- - - -
Recognition of marks
CCM Yes
Other marks UK Assay Office Marks

* Standards may differ from those recognised under the Convention
**There are no weight exemptions under the Convention’s rules.

Legislation

National Gem and Jewellery Authority Act

 

Assay Office Marks

lk-assay-office-marks

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