Certification
Every diamond comes with a certificate of authenticity
What is a Diamond Certificate?
A diamond grading certificate is an independent assessment of your diamond's quality, issued by a certified gemological laboratory. At TATVAAN, every lab-grown diamond comes with an IGI (International Gemological Institute) certificate — the world's leading authority on lab-grown diamond grading.
What the Certificate Covers — The 4Cs
Determines how well the diamond reflects light. Our diamonds are graded Excellent to Very Good cut.
Measures the presence of inclusions. Our diamonds range from VS1 to SI1 clarity.
Graded from D (colourless) to Z. Our diamonds are typically D–F range.
Measures the weight of the diamond. Shown on the certificate with precision to two decimal places.
Why IGI Certification?
- ✓IGI is the world's largest independent gemological laboratory.
- ✓IGI is the global leader in lab-grown diamond certification.
- ✓IGI certificates are accepted worldwide by jewellers, insurers, and resellers.
Verify Your Certificate Online
Every TATVAAN diamond comes with a unique IGI report number. You can verify your certificate anytime at igi.org using this number. This gives you complete confidence in the authenticity and quality of your purchase.
Your certificate is included with your order. Store it safely — you'll need it for insurance, resale, or future servicing.