GIA www.gia.edu/report-check-landing
GIA (簡體中文) ww.gia.edu/CN/report-check-landing?reportno=&selectlocale=zh_CN
HRD my.hrdantwerp.com
AGS www.americangemsociety.org/buying-diamonds-with-confidence/verify-your-ags-laboratories-diamond-grading-report/
IGI www.igi.org/reports/verify-your-report
貴重寶石類
GRS (瑞士) www.gemresearch.ch/report-verification
AIGS (泰國) www.aigsthailand.com/AIGS-Online-Report-Verification-EN
GUBELIN (德國) www.gubelingemlab.com/en/gemlab/report-verification
SSEF (瑞士) www.myssef.ch/verification/input
ICA (美國寶石協會) www.icagemlab.com/en/report-verification
非市場主流證書
NGTC (中國珠寶國檢) center.ngtc.com.cn/certsearch.php
IIDGR (De Beers官方證書) www.iidgr.com/report-checker
GCAL (美國獨創鑽石指紋和頂級車工8EX證書) www.gcalusa.com/certificate.html
EGL www.eglusa.com/verify-a-report/
IDL (杜拜官方) idldubai.secure.force.com
AIG (美國洛杉磯) www.aigllabs.com/verify.php
DCLA(澳洲) www.dcla.com.au/online-certificate-check-2/