![Diamonds.hk | Discover | Shop Smart Education | Fluorescence | A contribution to understanding the effect of blue fluorescence on the appearance of diamonds Diamonds.hk | Discover | Shop Smart Education | Fluorescence | A contribution to understanding the effect of blue fluorescence on the appearance of diamonds](https://www.diamonds.hk/images/texts/pages_56_fig3b.jpg)
Diamonds.hk | Discover | Shop Smart Education | Fluorescence | A contribution to understanding the effect of blue fluorescence on the appearance of diamonds
Why do some diamonds glow blue under UV light? Are they cheaper varieties or even imitation gems? - Quora
![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)