periwinklegirl
Brilliant_Rock
- Joined
- Feb 8, 2010
- Messages
- 1,007
I know some mined diamonds have fluorescence. Do lab-grown diamonds ever have this?
Or phosphorescence?
Just curious!
Or phosphorescence?
Just curious!
EEFranklin|1363832169|3410044 said:When diamonds are treated, that process usually adds fluorescence. Pink, red, purple and green diamonds are made through irradiation and annealing.
Phosphorescence isn't usually checked or reported by grading labs, but it is more common than fluorescence.