GRL Online Report Verification can help confirm that the information on your report matches with what is archived in the GRL report database.
To verify a report, enter the GRL Report No. below.
The gemological data shown on GRL Online Report Verification service is intended solely for information purposes. GRL cannot be held responsible for any data discrepancies.
GRL Online Report Verification service is subject to the terms and conditions included in the GRL report number listed above.
GRL Online Report Verification service is available for reports issued after June 2016. For the stones submitted before the date mentioned above, please contact GRL directly or email to
info@gemresearchlab.com
GRL Gem Research Laboratory, located in the heart of Bangkok’s gem and jewelry district, is an independent gemological research laboratory, specializing in colored gemstone analysis. GRL is dedicated to providing our customers reliable and accurate gemological testing services. GRL staff members, graduated in gemology from accredited gemological schools, are well-trained and highly experienced specialists in gemology and gemstone business.
GRL is providing full-page gemstone testing report which indicates the examination result of each gemstone, including identification, weight, dimensions, shape/cut, color, comment, origin (when possible), and accurate photo of the gemstone.
Each gemstone was tested the chemical and physical properties and internal characteristics by qualified gemologists applying approved analytical methods and fundamental gemological instruments, combining with the knowledge from continuously published gemological research and reference.
GRL report will be printed on GRL watermark paper. The report will be valid only by official signature of GRL gemologist, then sealed by laminate with GRL hologram.
Gem Research Laboratory Co., Ltd.
246-250 Mahaesak Road, 4th Floor, Suriyawongse,
Bangrak, Bangkok 10500, Thailand.
Hours of Operation : Monday - Friday 10:00 a.m. to 5:00 p.m.