Many want to have the most affordable diamond, yet one with the best combination of features. Some want diamonds that fluoresce, but others find this to be a bad feature. Anyhow, fluorescence helps the diamond owner in many regards. For one, it will be useful when you try to find your lost diamond at a dark place.
If you are thinking about what it is, consider the way blacklight posters glow and UV light makes white things appear whiter. Like that, some diamonds glow brightly because of fluorescence when these are under black light or ultraviolet light.
Remember, diamonds do not sparkle in places without light unless you expose it some form of artificial light. It will shine in a different way when you put it under artificial light compared to how it glistens under sunlight. Sparkle may not be as noticeable when under artificial light as fluorescence. Some diamonds fluoresce when put under black light, making these stand out and helping you recover the stone. Some minerals in this stone cause this effect. Fluorescence often does not negatively affect the stone’s appearance. Some of you may know about this, but do you know that it also affects the price? The cut, color, clarity and carat weight all affect it in some ways, but as does fluorescence.
It is usually perceived to be bad, so a diamond that fluoresces can cost anywhere between 2% and 15% lower than a non-fluorescing counterpart. Is it not a good thing?
In a diamond with I color grade or lower, the blue fluorescence can counteract its minor yellow hue and make its face-up color better. This can be equal to that of a color grade improvement. The price is likely to be increased by up to 3% owing to this improvement. However, you can go for a lower grade, which itself saves a lot of money on the ring, and have the stone appear whiter.
For a diamond with an extremely high color grade, which falls between D and F, a strong to very strong fluorescence might appear hazy. We would not recommend purchasing the stone in the range, colorless, anyhow.
Fluorescence is a natural property. The GIA grades it depending on the amount of fluorescence the stone have. It can range from no fluorescence to very strong fluorescence. If you would like to know more on fluorescence, you can have more tips here.