Fluorescence is the glow a diamond emits when subject to ultraviolet light. On a Diamond Grading Report, fluorescence refers to the intensity of this... | By JMA JewelryFacebook
![I had to have some small diamonds replaced on this ring. We looked at it under a black light and the replace diamonds glow blue. Are they fake? : r/jewelry I had to have some small diamonds replaced on this ring. We looked at it under a black light and the replace diamonds glow blue. Are they fake? : r/jewelry](https://preview.redd.it/t6r0y4x9ahc71.jpg?auto=webp&s=98250ddcb92e267839749bc2bbb52f1311da1fc1)
I had to have some small diamonds replaced on this ring. We looked at it under a black light and the replace diamonds glow blue. Are they fake? : r/jewelry
![5 Things To Know About Diamond FLUORESCENCE in UV Light! Comparison of None vs Faint & Strong Blue - YouTube 5 Things To Know About Diamond FLUORESCENCE in UV Light! Comparison of None vs Faint & Strong Blue - YouTube](https://i.ytimg.com/vi/cjBHw2cmQe4/sddefault.jpg)