Diamond Education
Diamond Certification Guide
Understand IGI, GIA, and SGL certificates, and how a report helps protect your purchase.
Why Certification Matters
A diamond certificate is an independent laboratory report. It documents the diamond characteristics and helps customers buy with confidence. A certificate does not make a diamond beautiful by itself, but it gives important proof of grading, measurements, and identity.
IGI, GIA, and SGL Labs
International lab known for natural and lab-grown diamond reports, including 4Cs grading details.
Best For: Certified natural and lab-grown diamonds
Global authority in diamond education and grading, known for strict standards and consumer protection.
Best For: Natural diamonds and internationally recognized grading
Provides diamond certificates with identity and grade details based on recognized grading systems.
Best For: Verification and documentation for selected diamonds
What a Certificate Usually Shows
Many certified diamonds also have a laser inscription on the girdle that can match the report number.
How to Verify a Diamond Certificate
Use the report number on the official website of the issuing laboratory. Always check that the number, carat weight, shape, measurements, and grading details match the diamond you are buying.
If anything does not match, ask the jeweler before purchasing.
Our team is happy to help you understand the details before you place your order.