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Precious Metals Hallmarking

A division of STS, the Singapore Assay Office (SAO) is an independent body that tests and certifies precious metal articles such as gold, silver, platinum and palladium. SAO provides assaying, hallmarking and X-Ray Fluorescence Material Analysis services.

Through SAO, hallmarking has been accepted as a voluntary scheme in Singapore. However, many in the jewellery trade realized the importance of the hallmark, especially if they want to export their jewellery overseas. The hallmark assures consumers that the precious metal article conforms to legal standards.

We are an independent and recognized body that test and certifies precious metal articles such as gold, silver, platinum and palladium.  We test and hallmark in accordance to the guidelines established by the Convention on the Control and Marking of Articles of Precious Metals, or other national requirements as required by the manufacturers and traders.

We continuosly works with organizations to protect the interests of consumers of precious metal articles.  We has been appointed by the Consumers Association of Singapore (CASE) to test the purity of precious metal articles purchased for their mystery shopping programme.

We are the prefered laboratory, by gold merchants and manufacturers, for testing the purity of precious metal raw material, e.g. gold bars and ingots.

For more information, please visit http://www.assayoffice.com.sg/