Treatment Encyclopedia

Almost all commercial gemstones undergo some form of treatment to enhance their beauty. Understand the processes, stability, and necessary care for treated gems.

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