Cuts

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The cut of a diamond is tricky terminology as the cut doesn't refer to the shape of the diamond ring.  Morever, the diamond cut is in reference to the quality of the cut and it's ability to interact with or refact light.

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According to the GIA, the following visual affects are studied to ascertain a diamond's interaction with light:

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Brightness = Amount of internal/external light reflected from diamond

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Fire = Scattering of white light into all colors of the rainbow

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Scintillation =  Amount of sparkle diamond produces, and it's pattern of white and dark areas caused by reflections

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The GIA Diamond scale that guages the quality of the diamond cut is classified into five different categoritzations.  Below are the five categories:

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Excellent

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Round brilliant cut diamond rings are by far the most popular diamond ring shape.  This diamond shape originated in the 17th century.

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Ideal

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Ideal cut diamond rings represent approximately the top 3% of quality

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Very Good

 

Very good cut diamond rings represent approximately the top 15% of quality

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Good

 

Good cut diamond rings represent approximately the top 25% of quality

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Fair

 

Fair cut diamond rings represent approximately the top 35% of quality

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Poor

 

Poor cut diamond rings are the lowest quality and represent the bottom

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