Zak Jewelry Tools

Presidium® Electronic Gemstone Gauge

  • Measures from 0.0 to 25.0mm.
  • Accuracy: 0.1mm / Tolerance: 0.02mm.
  • Direct digital millimeter/carat readout.
  • Touch button zeroing that allows the convenience of resetting to zero at any measurement point.
  • Smooth slider mechanism.
  • Low battery consumption.
  • Portable and lightweight.
  • Attachment for high-setting jewelry provided as accessory.
  • Presidium Gemstone Weight Estimation Table provided.
  • Compact protective case included with auto-magnetic power off when placed in carrying case.
  • Instantly converts millimeter readings to carats for round brilliant-cut gemstones.
  • Measures gemstone dimensions with accuracy to 0.01mm.
  • Clear and visible digital display with readings in mm or ct.
  • Light and portable instrument that can be used anywhere.
  • Made in Singapore.