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Guild Gem Laboratories
RM 703, China Building
Hong Kong
Hong Kong SAR 868601212517 http://www.guildgemlab.com
Regular Member
Business Categories
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
RM 703, China BuildingHong Kong
Hong Kong SAR 868601212517 http://www.guildgemlab.com
Regular Member
Business Categories
Gemological Laboratory