News

Dear clients,

We are pleased to announce our next Gemstone Testing service in Bangkok and invite you to take this opportunity to use our services near you. 

On-site testing service for all major gemstones with a 5-business day turn-around time. For express service, please inquiry about availability and associated fees.

Date: 11th to 26th Nov, 2025

Opening hours: 9:00 a.m. – 6:00 p.m.

Location: 2nd Floor, Room 211, 45/1, Soi Silom 19, Silom Road, Silom Sub-district, Bangrak District, Bangkok, 10500, Thailand

Local phone: +662 267 5442

Local cell phone: +66 98 257 1049

For organisational purposes we kindly ask you to contact us in advance in order to arrange an appointment (call +662 267 5442 or e-mail bkk@gubelingemlab.com). We would also appreciate an estimate of the number of stones you wish to submit for testing.

Please do not hesitate to get in touch with us if you have any questions.
We look forward to meeting you in Bangkok.

Yours sincerely,
Gübelin Gem Lab