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The Gemlogis LAPIS is a precision gemstone testing devicedesigned to differentiate between diamonds, moissanites, and other simulantswith high accuracy and reliability. By analysing both thermal and electricalconductivity, it delivers dependable results in seconds. The LAPIS alsofeatures metal contact alert and a retractable tip for consistent pressure ongemstone when testing. Powered by a rechargeable battery (adaptor included),the LAPIS can work up to 10 hours on a full charge.