An Accredited Gem Laboratory® is a special designation awarded only to qualifying AGS member firms that have proven their dedication to professional gemology.
Hannon Jewelers Accredited Gem Laboratory contains gemological equipment and reference materials in a dedicated space for research and analytical purposes.

According to standards specified by the American Society of Appraisers, a full laboratory of instruments is employed to make gemstone and diamond evaluation.
The list of instruments used includes, but is not limited to:

  • Zoom Binocular microscopes
  • Digital measuring devices
  • Spectroscopes
  • Fiber optic illumination
  • Refractometers
  • Electronic Balances
  • Polariscope
  • Color Comparison certified diamonds
  • Ultra Violet light sources
  • Specific gravity liquids
  • Proportion measuring devices