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Diamond Certification Guides
Certification is the difference between “pretty” and “provable.” Use these guides to understand what grading reports actually say, and which lab standards matter for your goals.
TheCaratCut Editorial Team
Jewelry & Diamond Experts
Our team of certified gemologists and jewelry experts provides in-depth analysis to help you make informed purchasing decisions.
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Written by the TheCaratCut Editorial Team. Our recommendations follow our editorial policy. We may earn commissions through affiliate links — see our disclosure.
✓Certified gemologist contributors
✓Independent — no brand sponsorship
✓Affiliate links disclosed transparently
✓Editorial policy publicly available