Diamond Purple Under Black Light

You ll see the glow in both regular and diet tonic water.

Diamond purple under black light.

The intensity of the glow is usu. View the gem against a matte finish dark background. Fluorescence in diamonds is the glow you might see when the diamond is under ultra violet uv light i e. Depending on the color of the stone and the color of glow it can sometimes positively add to the color of the stone.

Only 30 to 35 of diamonds have fluorescence. Sunlight or black light. Before examining a gem under black light make sure the stone is as clean as possible. When paying top dollar for a piece of jewelry you want to know the diamonds are flawless and real.

Shortwave black light is potentially dangerous and you must follow the cautions above. Most of the others glow purple. Flawed diamonds diamonds that have been treated with fluorescence and moissanite all look different from quality diamonds under a black light. Any soap or cleaner not rinsed away can affect the reaction to black light.

Be aware that while the majority of diamonds on the market will have a blue glow under uv light high quality diamonds will not. About 30 of diamonds will glow blue under ultraviolet lights such as black light. Black light or ultraviolet light testing helps buyers determine the quality of a diamond. However not all diamonds have fluorescence some are fluorescent free called none in the gia diamond report.

If the diamond reflects a blue fluorescence it is most likely authentic. The bitter flavoring of tonic water is due to the presence of quinine which glows blue white when placed under a black light. Some bottles will grow more brightly than others so if you re after the glow take a pen sized black light with you to the store. When exposed to ultra violet light these diamonds fluoresce different colors.

Fake diamonds on the other hand will glow other colors or not at all. 99 of the time the glow is blue but on rare occasions diamonds glow white. Three out of four diamonds don t glow under black light. Some glow red or yellow or any of a bunch of other colors.

While an extremely high quality gem will also not glow under uv light this can be a good test for questionable stones if done in consultation with a trained jeweler. Of those that do 97 glow blue. Approximately 30 of diamonds glow at least somewhat. When you stand under blue light or ultraviolet light in the nightclub your teeth sometimes glow white looks more bright.

Hold the diamond in question under a long wave uv light also called a black light. Even a very strong fluorescence will appear extremely faint under direct sunlight. It just depends on the diamond.