Carbonado, commonly known as black diamond, is one of the toughest forms of natural diamond. It is an impure, high-density, micro-porous form of polycrystalline diamond consisting of diamond, graphite, and amorphous carbon, with minor crystalline precipitates filling pores and occasional reduced metal inclusions. [1]

The fact is that there are three types of black diamonds and with them there are three prices of black diamonds: natural black diamonds – also called fancy black diamonds and Carbonados, man-made black diamonds and treated black diamonds which are the ones most people refer to when they search for black diamonds – even if they are not aware ...

Natural fancy black diamonds are indeed rarer than common colorless diamonds. There are two kinds of black diamonds in the marketplace: diamonds that develop their natural black color during their formation deep beneath the earth's surface, and diamonds that are enhanced (heated) to display a black color.

A natural black diamond’s body color can range from almost colorless to brown or even green. Natural-color black diamonds are always fully transparent – with a high brilliance that provides the stones with an almost metallic aspect.

Although most black diamonds on the market today are either superheated or irradiated to an almost black color, natural black diamonds do exist, though they are extremely rare. Carbonados, sometimes called "black diamonds," are a distinct and unusual polycrystalline diamond material.

2016年10月11日 · In fact, the actual body color of a natural black diamond may range from near-colorless to brown or “olive” green. Natural-color black diamonds typically are completely …

Natural black diamonds are real diamonds that are significantly different in appearance from traditional white diamonds due to their dark coloration. They offer a striking contrast and depth that is not found in other diamonds, making them a …

2024年10月13日 · Natural black diamonds, also known as "carbonado," are a rare variety of diamonds that exhibit a dark, opaque appearance. Unlike traditional colorless diamonds, which are prized for their clarity and brilliance, black diamonds have an intense black hue, often accompanied by unique inclusions that give them a matte or polished finish.

2024年6月6日 · The black diamond, also known as a carbonado diamond, is a carbon-based natural gemstone with opaque black inclusions. Unlike the more famous clear diamonds, black diamonds are deep black or very dark grey in color.

Black diamonds come in three main types: natural black diamonds; diamonds that have been treated to become black; and synthetic/man-made black diamonds. As with all diamonds, natural diamonds are significantly more valuable and desirable.