Learn to Use a Diamond Tester and Chelsea Filter (Video)
Some very helpful gemology tools are easy to use. Learn about the Chelsea filter, diamond tester, and other simple instruments in this video.
By Kyrylo Gubariev, Graduate Gemologist (GG, AJP), Addison Rice, updated on
There are many gemology tools available. Some, like the refractometer and spectroscope, are mainstays of gemological testing that require a lot of practice to master. However, there are other instruments that are very easy to use that can also help you identify gems. This video will show you how to use the Chelsea filter, diamond tester, and other tools.
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