{"product_id":"presidium-gem-tester-ii-pgt-ii","title":"Presidium® Gem Tester II – Diamond \u0026 Coloured Gemstone Tester","description":"\u003cp\u003eThe Presidium Gem Tester II is a professional gemstone testing tool for jewellers, gemologists and gemstone enthusiasts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUsing thermal conductivity, it provides a fast and reliable way to identify diamonds, moissanites and distinguish common coloured gemstones.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can distinguish up to 16 common coloured gemstones, including ruby, sapphire, emerald, garnet, amethyst, citrine, tourmaline, topaz, spinel, alexandrite, peridot, tanzanite, zircon, aquamarine, chrysoberyl and iolite.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrecise Testing – Even on Small Stones\u003cbr\u003e\u003c\/strong\u003eThe 0.6 mm retractable thermoelectric probe provides constant, gentle pressure during testing and can be used on gemstones as small as 0.02 carats.\u003c\/p\u003e\n\u003cp\u003eA clear analogue dial provides quick readings, while the built-in metal alert buzzer signals contact with metal during testing.\u003c\/p\u003e\n\u003cp\u003eThe tester is suitable for both polished and unpolished stones, with no waiting time required between tests.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompact \u0026amp; Convenient\u003cbr\u003e\u003c\/strong\u003eThis second-generation model features a compact, sturdy and portable design, making it convenient for use in jewellery shops, workshops, on-site or at trade shows.\u003c\/p\u003e\n\u003cp\u003eBuilt-in calibration and glass test discs provide a convenient reference during testing. The tester can be powered by 2 × AA batteries or the included power adapter.\u003c\/p\u003e\n\u003cp\u003eKey Benefits\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTests diamonds, moissanites and common coloured gemstones\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTests stones as small as 0.02 carats\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFine 0.6 mm retractable probe\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for polished and unpolished stones\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eClear analogue dial for quick readings\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBuilt-in metal alert buzzer\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCalibration and glass test discs\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNo waiting time between tests\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompact and portable\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery or power-adapter operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease note: The Presidium Gem Tester II does not differentiate between natural and synthetic coloured gemstones.\u003c\/p\u003e","brand":"DAVTOOLS","offers":[{"title":"Default Title","offer_id":45052645048641,"sku":"TET-3518-PRSD","price":299.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/0718\/9569\/files\/PRESIDIUM_GEMTESTER_6.0.png?v=1765126433","url":"https:\/\/davtools.com\/products\/presidium-gem-tester-ii-pgt-ii","provider":"DAVTOOLS","version":"1.0","type":"link"}