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The Facts About Blue Diamonds
By David Cowley
Diamonds are composed of carbon atoms that have been subject to extreme pressure and heat. If the diamond contains no impurities then the color will be crystal clear. Nature rarely creates anything that does not have any impurities in it. Most diamonds will contain some amounts of nitrogen atoms. If a few of the millions of carbon atoms have been replaced by nitrogen atoms, then structure of the diamond will not be significantly altered but the clarity will be changed.
When sunlight, which contains all colors, passes thought a diamond some of the light waves will be reflected by the nitrogen. The amount of color displayed is dependent on the amount of nitrogen involved. When we see color it is because the object we are looking at reflected a specific wavelength of the light spectrum. A good example of this is a pair of blue jeans. The jeans absorb all of the light except the blue light, which is reflected by the jeans.
In the case of a blue colored diamond some of the nitrogen has been replaced by Boron. Boron will reflect the blue wavelength of the light spectrum. The higher the concentration of boron the more color will be showed. At a level of one or a few boron atoms for every million-carbon atom, an attractive blue color results. Natural diamonds of this color are rare and highly priced, such as the Hope diamond. The Gemological Institute of America (GIA) has developed a color chart for grading diamonds.
GIA Color Chart.
D, E, F = Colorless
K, L, M = Faint Color
N, O, P, Q, R = Very Faint Color
S through Z = Light Color
Colored diamonds are very rare and very expensive. The Blue diamond is one of the rarest, and in my option the most desirable of the colored diamonds. The Hope diamond, which can be viewed in the Smithsonian Institution in Washington
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There are no better rings to seal your engagement than diamondsolitaire rings. The ultimate in diamond rings, diamondsolitaire rings are the only ring for the woman who wants thebest in wedding Read more...
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