| Learn About Diamond FluorescenceFluorescence in
some degree is common in a great percentage of diamonds. Fluorescence is a form
of illumination that is created when a diamond is exposed to low or high wave
ultraviolet radiation. Faint or medium fluorescence will rarely affect a
diamond's appearance. Usually fluorescence is unnoticed by the human eye in
ordinary light. Fluorescence can cause a diamond to appear less clear or
slightly hazy if the diamond exhibits very strong or extreme fluorescence. When
selecting your diamond it is best to choose a diamond that has no fluorescence
or faint to moderate fluorescence.
Diamonds that
possess strong fluorescence in color grades lower than the color grade of H will
often face up approximately one color grade better than a non-fluorescent
diamond. Strong fluorescence can actually improve the appearance of diamonds
that possess traces of color. Diamonds that possess strong fluorescence in
colorless to very near colorless grades D through G sometime exhibit a
noticeable luminescence which can give the diamond a hazy appearance. A strong
or extremely fluorescent diamond can usually be purchased for 10 to 30% less
than a diamond that possesses fluorescence that is moderate or better.
Listed below is a
list of abbreviations for describing strength of fluorescence.
- N, NO, NON, -
No Fluorescence
- F, FB, FT, FA,
- Faint or Faint Blue Fluorescence
- SL, SLB, SLT,
- Slight Fluorescence
- M, MO, ME, MD
- Medium or Moderate Fluorescence
- S, ST, STB,
STG, - Strong Fluorescence
- E, EX, EXB, EF,
- Extreme Fluorescence
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Learn About Diamond Fluorescence
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