The OOO Edit
IGI or GIA: Does It Actually Matter Which Lab Graded Your Diamond?
GIA and IGI are the two names you will see on a diamond report, and...
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How to Verify an IGI Certificate Yourself: Report Number, Laser Inscription, Two Checks
Look up the IGI report number on igi.org, then match the laser inscription on the...
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Do Lab-Grown Diamond Studs Come With a Certificate?
At Carat Club Co., diamond studs 0.5 carat and up are individually IGI-certified; smaller stones...
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IGI vs GIA for Lab-Grown Diamonds: Which Certificate Should You Trust?
IGI grades most lab-grown diamonds; GIA reports are rarer and cost more. Both are legitimate,...
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Type IIa Diamonds: What the Term Means and When It Matters
Type IIa sounds like a grade. It is not. It is a classification of chemical...
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How to Read an IGI Report: The Four Lines That Actually Matter
An IGI report has about thirty data points on it and most people only read...
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