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Appraising elements of natural diamonds and influences on the value  

김상기 (동신대학교 보석공학과)
배상덕 (동신대학교 보석공학과)
최종건 (동신대학교 보석공학과)
김판채 (동신대학교 보석공학과)
Abstract
In this study, we analyzed the influences of appraising elements such as weight, color and clarity of natural diamonds on their value in the round brilliant cut diamonds. To analyze the influences of these elements on the value of diamonds, data were made from a Rapaport Diamond Report which is the most reliable source of diamond prices. As the result of this study, it is clearly understood that color and clarity equally influenced the value of diamonds as a whole, but there were some partial variations according to grades of both elements. That is, value of clarity was higher than that of color in higher-quality diamonds but value of clarity was lower than that of color in lower-quality diamonds. Also, value of diamonds were closely co-related by three main elements which were weight, color and clarity, but weight was the most influencing element on the value of natural diamonds.
Keywords
Appraising element; Carat; Color; Clarity;
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