diamond color scale gia
Arcane systems used grades of A-C 1-3 and I-III etc. Many people ask why the GIA diamond grading scale starts at D.
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So a colorless diamond rates higher on the color grading scale than a diamond that is light yellow.
. Most diamonds formed more than a billion years ago deep in the earths mantle. Diamond quality could be communicated in a universal. Diamond is the only gem composed of one single element.
The GIA set out to standardize these diverse systems and started their. If youre not yet familiar with the 23 color grades on the GIA Color Scale you can learn more about them with the GIA Diamond Color Chart. The 4Cs created by GIA are considered the global language of diamond quality.
The human contribution to a diamonds beauty is a well-executed cut. The creation of the Diamond 4Cs meant two very important things. 3 A billion years.
Between D and Z the normal color range there are numerous diamond color grades ranging from near colorless to slightly yellow. This comet design brooch of gold set with colorless and fancy colored diamonds showers sparks when exposed to UV light. The 4Cs describe the individual qualities of a diamond and the value of.
Value and rarity are related. The Gemological Institute of America GIA color scale is the industry standard for diamond grading. Today the 4Cs of Diamond Quality is the universal method for assessing the quality of any diamond anywhere in the world.
Color Clarity Cut and Carat Weight. GIA created the first and now globally accepted standard for describing diamonds. Diamond color is measured using the Gemological Institute of America or GIA color scale which goes from D colorless all the way to Z light yellow or brown in color.
The GIA diamond color grades range from D colorless to Z light yellow or brown. Can an average person tell the difference between diamonds that do. The same relationship between rarity and value exists for clarity cut and carat weight.
In this case a colorless diamond is more rare and more valuable than one with a slight yellow color.
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