Diamond Color Grading
As explained in what diamonds are, diamonds are a crystalline form of Carbon. A perfectly formed crystal of pure Carbon would be colorless, however because of lattice defects, and the presence of various impurities, some diamonds are colored.
Brightly colored diamonds are among the most famous diamonds in the world, and are especially rare and valuable. Such colored diamonds are described as "fancy green", "fancy blue", "fancy pink", etc.
There is no universal agreement, or guideline on when a diamond would be considered a "fancy" color, but in the vast majority of gem diamonds, color is not a valuable attribute - it can actually detract from the diamond's value - colorless diamonds are preferred.
The Gemological Institute of America (GIA) uses a letter grading system to identify diamond color grades (note: fancy colors are not include in the grading system):
Here are some other related pages on this website:
Please share your comments on this page.
Guide 2 Diamonds
Diamond Clarity Enhancements
Diamond Color Grading
Diamond Scams & Tricks
What are Diamonds?
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