GCI Gemological Centers • Diamond & Gemstone Certification Services
Online Certificate Verification Available 24/7
GCILABORATORY

Gemological Centers

Central Laboratory Verification

Verify GCI Certificate Online

Access the central GCI database to confirm that the grading details on your physical report match official laboratory records.

Online Certificate Verification Portal

Verify the authenticity of any GCI Diamond, Gemstone or Jewelry Grading Report

Enter the complete certificate number as printed on your GCI document

Locating Your Certificate Number

Your official GCI certificate number is printed on your physical report document. Please enter the complete certificate number as it appears on your document.

5-Year Online Retention Standard

Registered certificates remain accessible for direct online verification and high-resolution document download throughout their 5-year retention period.

Full document access and download available for all active certificates.