The 9 Best Diamond Testers
Diamonds have been prized as gemstones for thousands of years, dating back to their use in early Indian religious iconography. It's likely that fakes of these valuable forms of carbon have been around throughout most of this time and, today, modern technology has produced these electronic detectors in order to weed them out from the real thing. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best diamond tester on Amazon.