Can Diamond Fluorescence be easily seen?
The Fluorescence of diamonds is not usually noticed by the naked eye but as ultraviolet lighting is frequently seen in dance clubs where the fluorescence, or glow, becomes apparent in this type of environment. Jewelry stores also use this type of lighting.
Diamond Fluorescence Chart / Grading Reports
Many grading reports confirm whether or not a diamond fluoresces, and if it does, the level of the effect - none, faint, slight, moderate, strong or extreme. The strength of fluorescence in diamonds is described in the following chart by specific abbreviations:
|Diamond Fluorescence Chart|
|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 |
Fluorescence and Fancy Colored Diamonds
Although fluorescence is not usually desirable in a white diamond strong fluorescence can actually improve the appearance of diamonds that possess traces of color and do not follow the rules described above. Fancy Colored Diamonds are extremely rare and very expensive.