Both the Jewellery Inspector and the PL-Inspector allow observation of fluorescence and phosphorescence from SW (short wave) and LW (long-wave) ultra-violet illumination. These observations can help a gemmologist determine whether a diamond or gem is synthetic, treated or natural. The colour and intensity of the fluorescence provides a useful indicator. A common test is to determine whether the SW intensity is brighter than the LW, which is suggestive of a synthetic diamond.

The Jewellery Inspector differs from the PL-Inspector in providing a larger viewing area (of 50 mm x 50 mm) and the Jewellery Inspector can also be used with a custom jewellery holder (supplied).


Diamonds grown by high-pressure and high-temperature (HPHT) methods represent the vast majority of near-colourless synthetic diamonds that may be found in jewellery. These diamond exhibit the phenomenon of phosphorescence after exposure to short-wave ultra-violet light.

The Jewellery Inspector features ultra-violet lamps to excite any HPHT diamonds which will then phosphoresce.

The glow can be readily detected with the camera on a user's smart-phone.

Jewellery Inspector Features are

  • Bright ultra-violet illumination
  • Portable
  • Easy to identify suspect diamonds
  • Viewing magnifier lens
  • Smart-phone compatible

Suitable for viewing

  • Mounted gems
  • eg. rings, brooches, pendants

How to Buy

  • Please contact us for a list of stockists.
  • You can also purchase directly from Gemetrix, please contact us with any enquiries.
  • We ship worldwide.
  • We accept PayPal

Specifications:

  • Short-wave ultra-violet at 255 nm
  • Long-wave ultra-violet at 370 nm
  • Inspection viewing area of 50 mm x 50 mm
  • Size: 130 x 80 x 50 mm
  • Supplied with 12 V power adapter