Diamond testers decide a gemstone’s authenticity by measuring its thermal and electrical conductivity. These units vary from fundamental fashions costing beneath $20 to stylish devices priced over $500. The value sometimes displays the tester’s options, accuracy, and total high quality. For example, a fundamental thermal conductivity tester would possibly solely differentiate diamond from different frequent simulants, whereas extra superior units can determine moissanite, a diamond simulant with related thermal properties.
Correct gem identification is essential for shoppers, jewelers, and gemologists. Figuring out whether or not a stone is a real diamond or a much less worthwhile materials protects patrons from fraud and ensures honest pricing. Traditionally, assessments relied closely on skilled visible inspection. Fashionable testing gear supplies a extra goal and readily accessible methodology for verifying a gem’s identification, contributing to larger transparency and client confidence throughout the gem commerce.