How to choose a tsavorite? 4 tips for you ! #gemstone #jewelry #gemmology #tsavorite
The GUILD Ruby & Sapphire Identification and Evaluation Course - Sri Lanka- is officially launched!
Field gemologist shows you what star sapphire is!
What makes Cornflower Blue so special？ #gemstone #jewelry #sapphire
What makes a price difference for the same size blue sapphire？
Guild (Sri Lanka) Gem Laboratory is opening in 7 days. #gemstone #gemstones #jewllery
let's enjoy some of the works of the Aurora Jewel Competition!
Founded in 1980 in Los Angeles, United States, GUILD Gem Laboratories is one of the world's top gemological laboratories in the identification, grading, origin determination, treatment detection and other aspects of colored gemstones. With a wealth of experience and a comprehensive database in firsthand field research, deep academic knowledge backs up every report from GUILD, whose comprehensive database covers all the important gemstone varieties in the market. From its start-up gemstone identification institute to its authoritative brand based in the Asia-Pacific region and radiating around the world, GUILD Gem Laboratories radiates at a frequency of excellence within the international colored gemstone industry and is defined by professionalism, experience, science and innovation. Currently, GUILD has branches in Los Angeles, Shenzhen, Guangzhou, Zhuji (Pearl City) and Bangkok, to provide professional gemstone identification services for domestic and foreign practitioners.