Treatment Encyclopedia

Treatments are encountered across many gemstone categories. Understand the process, disclosure, stability, detectability limits, and care implications for the specific material.

Gemstone treatments

Treatments

Explore standard gemstone treatments and enhancements.

  • Heating
  • Diffusion
  • Irradiation
  • Oiling/Fracture Filling
  • Glass Filling
  • Dyeing
  • Impregnation
  • Coating
  • HPHT
  • Laser Drilling

Explore gemstone education