About pis This diamond tester will indicate the result whether your diamond is real or fake. You can know the details of the diamond instead of a fake. Comes with a leather bag and test tray to store loose stones. Function - Black colour -Material: Plastic and Metal - Size: 160x40x22mm/6.3x1.6x0.9inch - The reading is quite easy to read with the scale. - The volume is adjustable with the volume slider. - Emits different sounds to easily distinguish readings. - The diamond or jewelry being tested must be clean and dry. About pis This diamond tester will indicate the result whether your diamond is real or fake. You can know the details of the diamond instead of a fake. Comes with a leather bag and test tray to store loose stones. Function Black colour Material: plastic and metal Size: 160x40x22mm/6.3x1.6x0.9inch The reading is quite easy to read with the scale. The volume is adjusted with the volume slider. Emits different sounds to easily distinguish readings. The diamond or jewelry being examined must be clean and dry. package list 1 x diamond tester 1 x bag 1 x test tray