Here are a few of my fluor pics.
The emerald cut was graded by GIA as H / VS1 with Strong Blue Fluor.
The round was a 1.80 ct (non GIA) graded as an O-P, also with Strong Blue Fluor.
You can see in the last picture that my diamond tennis bracelet also has a few that glow.

I sold both rings, but still had these pics. And you can see how they looked in normal lighting.
I always thought it was kind of strange that diamonds with "strong" fluorescence are supposed to be less common and yet I ended up with two - both unknown to me until they were graded.