Presidium Synthetic Ruby Identifier

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Item available in 7 / 14 days



  • Advanced technology that measures a ruby gemstone’s UV light transmittance ability
  • 7 colour coded (blue/red) indicator light bars to give a low or high reading of UV light transmittance
  • Instantaneous clear results within 2 seconds
  • Exterior base foam padding to ensure non-slip sturdiness and prevent scratches to surfaces
  • Stream-lined ergonomic design that enhances portability and stability
  • Low battery indicator
  • Energy-saving auto power-off of device after 10 minutes without operation
  • Interior LED light source and testing area
  • Energy-saving auto power-off of interior LED light source when lid of device is open or when Start Test button is not activated
  • USB connectivity for data transfer to OMI
  • Bluetooth compatible
  • USB port for alternative power source and connectivity




Helps to instantaneously identify most synthetic flame fusion rubies

  • Tests on rubies within a range in dimension from 3 mm in width and up to 6mm in height (approx. 0.1 to 6 carat size)
  • Tests on polished rubies of popular common shapes
  • Can be used on both loose stones and rubies mounted on jewelry with open-back setting



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