Question What is fluorescence? Is it good or bad Answer Some diamonds fluoresce, which mean they emit light when exposed to long-wave ultraviolet light. Diamonds with strong fluorescence, called "overblues," can sometimes have a hazy appearance that makes them appear cloudy in light with strong ultraviolet content. On the other hand, strongly fluorescent diamonds with… Continue reading What is fluorescence? Is it good or bad?
Jeweler, Author, and founder of Why Mom Deserves a Diamond contest.