Diamond Tester Pen High Accuracy Jewelry Test Tool Thermal

Specification: Diamond Tester Dimensions：6.1" x 1.61" x 0.28" Testing Capability：Gemstones of various sizes(Do Not test any metal) Color: Black Auto Off: N/A Initial warm-up: about 20 sec. Indicator: Audio and LED lamps Power: 1 x 9V battery Package Included: 1 x Diamond Tester 1 x Test Tray 1 x Protected leather bag 1 x 9V battery 1 x user manual.

This diamond tester is specially designed for true and false gemstone testing, not only fast and accurate, but also safe, used to distinguish real

Diamond Tester,High Accuracy Dimond Test Pen，Jewelry Gem Tester Pen，Portable Electronic Diamond Checker Tool，Professional Diamond Selector for Novice

Diamond Tester,High Accuracy Jewelry Diamond Tester,Jewelry Gem

Electric Hardness Tester Portable Thermal Conductivity Tester High

Diamond Tester Pen FOR SALE! - PicClick

Diamond Tester Pen FOR SALE! - PicClick

Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+200g/0.01

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Specification: Diamond Tester Dimensions：6.1 x 1.61 x 0.28 Testing Capability：Gemstones of various sizes(Do Not test any metal) Color: Black Auto

Diamond Tester Pen High Accuracy Jewelry Test Tool Thermal Conductivity Meter

Specification: Diamond Tester Dimensions：6.1 x 1.61 x 0.28 Testing Capability：Gemstones of various sizes(Do Not test any metal) Color: Black Auto

Diamond Tester Pen High Accuracy Jewelry Test Tool Thermal Conductivity Meter

How Does a Diamond Tester Work?