Various Colors of Natural Diamond

By : NGDlover

chart by auroragems.com

Notegolddiamond - Some people ask about various Color in diamond. Originally, it is come from structural defects of crystal lattice and chemical impurities (see explanation in wikipedia.org/diamond_color). A chemically pure and structurally perfect diamond is perfectly transparent with no hue, or color. However, in reality almost no gem-sized natural diamonds are absolutely perfect, and only atoms of nitrogen, boron and hydrogen can be introduced into diamond.

You can find variety of colors almost in every color of rainbow in natural —  it could be yellow, gray, blue, white, orange, green, red, pink, purple, black, and brown.

Nitrogen is responsible for the yellow and brown \ orange shades in diamonds.

Boron is responsible for the gray blue colors. ranging from deep blue to sky blue.

Natural radiation over millions of years that causes the color in green diamond.

Extreme pressure deep in the earth can abnormally compress diamond's structure and creating a very rare of brown, purple, pink, or red diamonds. Evidence of it can be seen in many Argyle pink and congac diamonds.