Take aside a few minutes to update yourself about black diamonds for an intelligent purchase. The 4C's are the important factors that determine the quality and value of a diamond. Understanding these parameters will help you evaluate if you are paying the right price for it. While color, clarity and carat are largely a result of the natural formation, cut is directly determined by humans.

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The Cut

Before understanding what determines the cut of the diamond lets us not confuse cut with shape. The shape is just the outline appearance but the cut determines the fire and brilliance of the stone. The diamonds when mined come in a rough form and are required to be cut and polished. Like other colorless diamonds, black diamonds too can be cut in just about any standard cut style. The round brilliant cut and princess cut types are relatively more in vogue for the black diamonds.

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The Carat

The weight of a diamond is measured in carats. Carat is always calculated within two decimal points whether 0.2 grams or 200 milligrams. It is a highly accurate and universal grading scale. Black Diamonds too are measured in carats. An important fact to be noted here – Black Diamonds are heavier than the colorless diamonds. The carat weight of the Black diamond is more that of a colorless diamond, thus the black diamond of the same carat may appear smaller than the colorless diamond.

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The Color

The diamonds are measured against the internationally standardized set of color stones. The appearance of black diamonds can come in shades of green, grey or midnight black. The color can range from being dense to translucent. The uniformity of color saturation determines the value of Black Diamonds. The dark and uniform midnight black colored Black Diamonds are the best.

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The Clarity

The clarity of the black diamond is an important factor to determine its cost. Diamonds may have inclusions, cleavages, cracks or other defects present in the stone. Free from inclusions, more the clarity, more costly will be the stone. The inclusions may be solid fragments, liquid globule or pocket gas, prevent the free passage of light through the diamond. Not all inclusions are visible to the naked eye. Certain stones contain areas of twinning i.e. course of the crystal changed during its configuration.

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