- Positive diamond indication by LED light and audio
- Accurate and reliable reading
- Metal alert (if you accidentally touch the ring / metal)
- Simple calibration for stones of various sizes
- Protective carrying case
- Dimensions: 16cm x 4cm x 2cm
- Weight: 142g
- Testing Capability: Diamonds, Diamond simulation (e.g. CZ), Metal
- Color: Black
- Initial warm-up time: ~ 20 sec.
- Indicator: Audio and LED lamps
- Power: 9V Battery (Not included)
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