Education

How to Verify Your IGI Certificate (and What the Laser Inscription Means)
Every certified Zack & Elle diamond comes with an IGI report and a laser-inscribed stone ID. Here's how to look up your report online and confirm your diamond matches it.
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IGI vs. GIA Certification: What It Means for Your Lab-Grown Diamond
IGI and GIA are the two leading diamond grading labs. Here's how they differ for lab-grown diamonds, and why IGI is the standard most trusted retailers use.
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Why certification is the fifth C — what an independent IGI report tells you, and why you should never buy a significant diamond without one.
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