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How to Tell if a Diamond is Real or Fake – Complete Guide Last Updated On: December 27, 2020

BOTTOM LINE RECOMMENDATION: This guide is for people who own jewelry pieces or collections and want to know if they are real. If you have jewelry pieces at home or from ancestors you wish to verify, this guide will provide you with at-home tests along with tests a diamond expert or jeweler can conduct with specialized equipment.

The simplest and most effective way to test a stone to see whether or not it’s a diamond is to purchase a relatively cheap diamond tester. Otherwise, you might want to consider a higher-end more expensive tester that can also identify a wider range of diamond alternatives.

If you’re not familiar with a diamond’s structure and components, you may be led to think that a gemstone is a diamond when it’s an entirely different stone—like cubic zirconia or moissanite. For this reason it’s essential to know how to spot a fake diamond.