Trust
Certifications & Trust
Every diamond we sell is independently graded. Here's how to read a certificate — and how to verify one of ours.
The 4Cs, Explained Simply
Who Grades Our Stones
GIA
Gemological Institute of America
Founded in 1931, GIA created the 4Cs and the International Diamond Grading System — widely regarded as the strictest and most trusted grading standard in the world.
IGI
International Gemological Institute
One of the largest independent grading labs globally, IGI is especially trusted for lab-grown diamonds and offers detailed, accessible grading reports.
Verify a Certificate
Enter the certificate number from your GIA or IGI report to check it against our records.