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The World Tester incredibly designed for smart testing of Earth mine natural colorless diamond D-J type la lb from Lab created CVD/HPHT type lla colorless mounted and loose diamond with new display technology carefully selected for every detailed of this device to have great works on the testing.
- Test from 0.01 ct up to 12 ct; Tests Earth-Mined Diamonds D-J and Lab Created CVD/HPHT Type IIa colorless
- Auto testing function New technology LED light source with hight efficiency and mercury-free
- No warmup time before testing; Ready LED indicator; Super battery life saver
- Smart touch test switch on the top front of the unit; Result indicating by Bright LED Lights with sound
- Power: USB Port Power Adapter or 4AAA Batteries Alkaline recommended