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Diamond Glossary


Diamond Terms T
  1. Tone
  2. Top Wesselton
  3. Treated Diamond
  4. Twinning Wisp



Diamond Term Explanation

  1. A diamond color's position on a colorless to black scale.
  2. Refers to colors F and G of a diamond, some may also call color F a Top Wesselton+ .
  3. Fancy color treatment: a diamond with a body-color induced by some form of artificial irradiation, often in conjunction with controlled heating (known as annealing).
    Other possible treatments of diamonds are: coating, fracture filling, spot bleaching by laser, HPHT high pressure high temperature whitening, electromagnetic conduction whitening.
  4. A cloudy area produced by crystal structure distortion, usually associated with twinning planes.