COVID-19 Resources for ICA Members
Join Login Contact Us
International Colored Gemstone Association Logo
Back to ICA Online Directory

Lihong Liu

Guild Gem Laboratories
Contact information may be available to logged in members.

Professional Bio

Guild Laboratories has its focus in testing colored gemstones, specifically for identification, identification of treatments, color grading, and geographic origin. Gemmological Services.

Company/Business

Guild Gem Laboratories Guild Gem Laboratories
ICA Logo Regular Member
Business Categories
Gemological Laboratory
Sign up to stay in touch!

(See our Email Privacy Policy for details.) Emails are serviced by Constant Contact.