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Combо tester for distinguishing diamonds from Moissanite and other gemstones

Product Code: DMT-3
In Stock
Price: $89.90

The DMT-3 Tester device has been developed to determine the authenticity of diamonds, Moissanite and other gemstones, and in particular to distinguish them from fake stones. The appliance is the perfect tool for jewelers, dealers and valuers of precious stones. It is compact and portable, allowing it to be used outside of professional workshops. For maximum portability, the device comes with a secure storage case.

Diamond - Moissanite Tester offers fast measurement and reporting with very high accuracy. The appliance uses a fine elastic probe with a pointed tip capable of testing even very tiny stones, including those of 2pt. The meter is factory calibrated, which greatly facilitates the testing of gemstones. An indicator shows battery status information.

The Diamond Tester DMT-3 has a built-in metal detector designed to inform that the tip of the probe is in contact with the stone to be tested. The indication is by a beep sound. The device offers a clear LED display for easy reading of the results and can be powered in two ways - with batteries or with a power adapter.


  • Easy operation without the need to adjust the bar graph via volume control unit to match size of the different stones as with other testers
  • Capable of distinguishing stones with a small size - up to 2 pt
  • Equipped with an elastic probe with a bevel tip
  • Built-in metal detector
  • Available sound beep indicator
  • Factory calibrated
  • Rubber coating
  • Low Battery Indicator
  • Automatic shutdown to save battery life


  • Verifies instantly the authenticity of diamonds and other gemstones
  • Tests both polished and unpolished diamonds and stones
  • Guaranteed reliable results for each measurement
  • There is no need to wait between tests
  • Clear and easy-to-view display for easy reading of measurements
  • Available in a protective carrying case along with a testing base


  • Operating voltage: DC 4.5V, AAA alkaline or NI-MH battery or AC adapter (110 ~ 240V, DC 4.2V) - not included
  • Probe warm up time: about 25 seconds
  • Working time: Approximately 2 hours of continuous operation
  • Operating temperature: 18 ~ 30 ° C
  • Size: 173 x 42 x 22 mm (L x W x D)
  • Weight: 65 g without batteries

The set contains:

  • 1 x diamond tester
  • 1 x testing base
  • Carrying and storage case
  • Instructions manual
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