Diamond Clarity

In 1939 the DeBeers company introduced the concepts of cut, carat, color and clarity as measures of a diamond's quality.

Most diamonds have tiny imperfections, or inclusions. These faults are usually not visible to the naked eye but they affect the clarity of the diamond by disrupting the flow of light, which in turn affects its brilliance.

These inclusions are created by other minerals entering the diamond through microscopic fractures when the diamond is being formed. Sometimes the diamond cutter will be able to remove these imperfections by cutting away parts of the diamond during the process of polishing but if the inclusion is too deep or near the center of the stone, then the stone may be ruined or worthless depending on the severity of the inclusion.

Diamonds, like people, have natural blemishes in their make-up. These tiny faults, or inclusions, are formed by minerals or fractures while the diamond is forming in the earth. When light enters a diamond, it is reflected and refracted out. If there is anything disrupting the flow of light in the diamond, such as an inclusion, a proportion of the light reflected will be lost.

Inclusions affect the clarity of a diamond by refracting or reflecting the light passing through the diamond.

However a diamond's clarity is only one factor in determining its value. See also: cut, carat, color and clarity




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