What is the cause of the color of blue diamonds?

The difference between colorless diamonds and blue diamonds

The reason why blue diamonds appear blue is that their chemical elements and semi metallic boron atoms interweave in the crystal structure of the diamond over a long period of time, forming it.

Colorless diamonds are transparent because carbon atoms do not have free electrons. Carbon atoms have four electrons, forming a tetrahedron with every four adjacent carbon atoms. This structure allows light to pass freely through it.

Boron has only three "connecting electrons". This means that for each boron atom, its neighbor carbon atom has one unused electron in every four. This causes it to absorb red light and therefore appear blue. The presence of only one or two boron atoms is sufficient to make diamonds appear blue.

Red diamond: rarer than blue diamond

Although the blue diamond is already a legend, it is not yet considered the rarest stone on this planet. This honor is specially reserved for pink diamonds and red diamonds. These two colored diamonds obtain their colors because they receive the heat released when they are forcibly pulled onto the Earth's crust. Due to tremendous pressure, the structure of diamonds undergoes changes, causing electrons to absorb more blue light and produce red.

Among the diamonds in the world, there are only 200000 diamonds that show only a slight hint of blue. Dark blue diamonds are almost difficult to find. In recent years, people have developed technologies that can affect the color of diamonds. But even manually processed blue diamonds are very rare.

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