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Diamond Certification Guide
Understand GIA, IGI and HRD grading reports with complete confidence before purchasing your diamond.
Explore CertificationConfidence in Every Diamond
A diamond grading report independently verifies a diamond’s identity and quality, including carat weight, colour, clarity, cut, measurements and proportions.
Recognised Diamond Laboratories
GIA
One of the world’s most respected gemological authorities.
- Independent grading
- Detailed 4Cs assessment
- Worldwide recognition
- Online verification
IGI
Grades natural diamonds, lab-grown diamonds and finished jewellery.
- Natural & Lab-Grown
- Finished Jewellery
- Detailed reports
- Online verification
HRD Antwerp
Independent grading from the heart of Antwerp.
- Trusted worldwide
- Detailed grading
- Independent evaluation
- Online verification
Laboratory Comparison
| Laboratory | Natural | Lab Grown | Verification |
|---|---|---|---|
| GIA | ✓ | Selected | Online |
| IGI | ✓ | ✓ | Online |
| HRD Antwerp | ✓ | Selected | Online |
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