Diamond fluorescence, in its most simple form, is the effect that ultraviolet (UV) light has on a diamond. When you stand under a blue light or ultraviolet light, sometimes you can see your whites get brighter or your teeth appear to glow. This is the same effect the...


The appearance, or extent, of spots of light dispersed into spectral colors seen in a polished diamond when it is viewed face-up.


Describes the exterior of the diamond. If a diamond is well polished, it has a very good finish. Re-polishing a diamond can sometimes enhance its color appearance.