
How to Verify the Authenticity of a Hong Kong Jade Laboratory Certificate Online
The Hong Kong Jade & Stone Laboratory Ltd. HKJSL, established in 1993, aims to maintain Hong Kong’s status as an international jade trading hub and to protect the interests of both consumers and industry professionals. Equipped with advanced facilities, the center provides professional, impartial, and objective jade authentication services (jade certificate verification).
To ensure the highest quality of service, the Hong Kong Jade Laboratory participated in the Hong Kong Laboratory Accreditation Scheme (HOKLAS) under the Hong Kong Special Administrative Region Government’s Hong Kong Accreditation Service in 2004. In February 2005, it was officially accredited with HOKLAS recognition in physical and mechanical testing (HOKLAS Lab No.: 153). This achievement followed two years of meticulous planning, refinement, and testing to ensure the reliability and stability of its testing systems in accordance with international standards.
Widely trusted and endorsed by industry experts and consumers alike, certificates issued by the Hong Kong Jade Laboratory are recognized for their high standards of reliability and credibility. To provide enhanced service, the laboratory now offers an online certificate verification feature, allowing users to quickly and conveniently confirm whether the details on their certificate match the records in the official database.

Here’s how to verify your certificate:
- Visit the official website of the Hong Kong Jade & Stone Laboratory Ltd.:
http://www.jadeitelaboratory.com.hk/ - Locate the certificate verification section on the website.
- Enter the Certificate Number and the Item Weight, then click “Confirm”.
- If the certificate you are verifying is a horizontal certificate (i.e., one certificate listing multiple items), you will need to enter two certificate numbers and the weight of the first item, then click “Confirm”.
This simple online process helps ensure the authenticity of your jade certification and provides peace of mind regarding your valuable jade pieces. For more on understanding jade quality and certification, explore our buying guide.
FAQ
What is a Hong Kong Jade Laboratory (HKJSL) certificate?
A HKJSL certificate is a document issued by the Hong Kong Jade & Stone Laboratory Ltd. that authenticates the nature and quality of jade items. It is widely trusted in the jade trade for its accuracy and adherence to international testing standards.
Is online certificate verification free?
Yes, the HKJSL online verification service is free of charge. You only need the certificate number and item weight to check the authenticity of your certificate.
What if the online verification fails?
If the details you enter do not match the laboratory’s records, double-check your certificate number and weight. If the issue persists, contact the HKJSL directly for assistance. It may indicate the certificate is not genuine or there is an error in the data.



