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FOR RUBY and SAPPHIRE:

The enhancement of Rubies and Sapphires are mentioned under comments as:

  • No Indication of Heating: No altered inclusions are present that would indicate that a heat enhancement process was applied.
  • HT(a) : Enhanced by heat (no residues present in Fissure and Cavities).
  • HT(b) : Enhanced by heat with minor/moderate residues.
  • HT(c) : Enhanced by heat with significant residues.
  • HT(Pb): Enhanced by heat with lead and/or bismuth-rich glass filling in Fissures / Cavities.
  • HT(Be): Enhanced by heat with a chemical element from external source, e.g. Beryllium.



FOR EMERALD:

The grading of clarity enhancement of Emerald is specified as:

  • No-Oil
  • Insignificant
  • Minor
  • Moderate (filler mentioned if resin)
  • Significant (filler mentioned if resin)



FOR JADEITE:

  • Type A: No indication of enhancement beyond traditional and basic waxing.
  • Type B: Indication of bleaching and subsequent polymer impregnation.
  • Type C: Indication of dyeing.



NOTE:

Other treatments detected will be specified separately in the COMMENT section.