Answer
Aug 16, 2025 - 04:09 AM
Real diamonds and lab-grown diamonds look exactly the same and have the same chemical makeup. The only way to tell them apart for sure is by using specialized machines like a spectrometer in a professional gemological lab. Diamond testers or pens are not very accurate and are not a good indicator of the origin of a stone.
The most reliable method is to check certification from reputable gemological labs, which specify whether a diamond is natural or lab-grown.
