Home Collection - High Accuracy Professional Diamond Tester Gemstone Selector II – Portable Jeweler Tool Kit

Identify real diamonds and gemstones with confidence using the High Accuracy Professional Diamond Tester Gemstone Selector II. This compact, pen-style tester quickly distinguishes diamonds from simulants by measuring thermal conductivity with precision electronics. Equipped with LED indicators, audible alerts, and a metal alert buzzer to prevent false readings, it delivers instant and reliable results. Ideal for jewelers, appraisers, and collectors, it features a portable, battery-powered design with a protective carrying case, making it perfect for both professional and field use.