DescriptionDiamond Selector II – Portable Diamond Tester PenThe Diamond Selector II is a high-quality portable device designed to accurately determine the authenticity of diamonds. A must-have for gemstone enthusiasts, jewelers, and professionals — this tester delivers reliable results instantly through thermal conductivity testing.Key FeaturesInstant Diamond Verification – The diamond indicator lights up green when the stone being tested is a real diamond, giving you a clear visual confirmation.Audible Test Results – Emits audible tones that increase in intensity based on thermal conductivity, making it easy to distinguish real diamonds even without looking at the display.Fake Crystal Detection – Will not react to simulants such as cubic zirconia (CZ) or glass, helping ensure the accuracy of your gemstone collection.Metal Alert Protection – Emits a continuous buzzing sound if you accidentally touch metal instead of the stone, preventing false readings during testing.Large/Small Stone Switch – Allows testing of diamonds above and below 8 points, catering to a wide range of stone sizes.LCD Display & LED Indicator – Clear visual readout for easy, precise results in any lighting condition.Portable & Lightweight – Compact size (13.5 × 4 × 2 cm) with durable metal and plastic construction. Easy to carry to shops, markets, or exhibitions.Battery Powered – Runs on a single DC 9V battery for convenient use anywhere, anytime. No charging required.SpecificationsModel: Diamond Selector IIMaterial: Metal PlasticColor: BlackDimensions: 13.5 × 4 × 2 cmPower: DC 9V BatteryTesting Method: Thermal ConductivityIndicator: LCD Display LED Audible ToneWhat’s Included1 × Diamond Selector II Tester Pen1 × Protective Leather Carry Bag1 × Metal Stone Rest1 × User ManualIdeal ForJewelry Shop Owners – Quickly verify loose diamonds before purchase or sale.Gemstone Collectors – Authenticate your collection with confidence.Pawn Shops & Gold Markets – Protect against fakes during buy-back transactions.Gift Buyers – Verify diamond jewelry before gifting to ensure authenticity.Students & Hobbyists – Learn gemstone identification with a professional-grade tool.The Diamond Selector II delivers professional-grade diamond testing in the palm of your hand — compact, reliable, and ready to use anywhere.



