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Presidium Gemstone Dial Gauge PDG

Presidium Gemstone Dial Gauge PDG

Regular price $179.00 USD
Regular price Sale price $179.00 USD
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A nifty easy-to-use analog gauge for measuring gemstone dimensions with ability to convert to estimated carat weight for round brilliant diamonds (up to 29 carats), without the need to dismount your mounted diamonds! The PDG also has an inner scale display for US ring size measurements.

  • Measures from 0.0 to 23.0mm
  • Accuracy: 0.1mm / Tolerance: 0.02mm with simple zero realignment
  • Analog gauge with mm/ct/ring size display
  • Patented anvil
  • Smooth slider mechanism
  • Portable and lightweight
  • Compact protective case included
  • Attachment for high setting jewelry provided
  • Presidium Gemstone Weight Estimation Table provided


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