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- 44th GAHK Anniversary Dinner (2023/12/07)
- Invitation - JMA Hong Kong International Show 2023(Booth No:1CON2-1) (2023/10/26)
Special Announcement
Contact GAHK

The Gemmological Association
of Hong Kong Ltd

P.O. Box 97711, Tsim Sha Tsui,
Kowloon, Hong Kong

Tel. (852) 2366-6006 / Fax. : (852) 2153-9673

E-mail :

List of Fellow Members Providing Gemstone Identification Service

Name Identification Service Telephone
* Asian Gemmological Institute & Lab. Ltd. All Gemstones 2723 0429
Tsimshatsui, Kowloon
Chief Gemmologist: Mr. Dominic Mok    
CAC (H.K.) Gems Laboratory Ltd All Gemstones 2839 1888
Gemmologist: Mr. Rex Chan    
* China Gems Laboratory Ltd. All Gemstones 2783 2610
Chief Gemmologist: Mr. Tommy Tsui
* Chow Tai Fook Fei Cui Testing Centre Jadeite Jade 2610 8168
New Territory
Chief Gemmologist: Mr Alex Wong
GĂĽbelin Gem Lab Ltd. All Gemstones 2868 2781
Central, Hong Kong    
Gemmologist: Ms Bonita Kwok    
GRS Lab (Hong Kong) Ltd All Gemstones 2376 3888
Central, Hong Kong
Chief Gemmologist: Dr. Peretti
* Hong Kong Gems Laboratory All Gemstones 2815 1880
Canton Road, Kowloon
Chief Gemmologist: Ms Mimi Ou Yang
* Hong Kong Jade & Stone Laboratory Ruby, Sapphire 2388 9688 
Jordan, Kowloon Emerald & Jadeite 2545 0817 
Consultant Gemmologist: Ms Joanne Chan
Hong Kong Kowloon Jade & Jewellery Laboratory Ltd Jadeite Jade 2155 9966
Canton Road, Kowloon 2154 1628
Gemmologist: Ms Emily Kwok
Sincere Oversea Jewellery Ltd. All Gemstones  2775 1113
Hung Hom, Kowloon
Gemmologist: KK Chow
Valuation Services Ltd. All Gemstones 2869 4350
Jordan, Kowloon
Chief Gemmologist: Ms Joanne Chan
(Listing of above members are on alphabetical order of the lab’s name)
* Laboratory Accredited by HKAS of HKSAR on Fei Cui Testing (June 2012)


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