Understanding Colored Gemstones
Treating Diamond To Enhance Color
A lot of people are starting to prefer the fancy, intense colored diamonds over the classic transparent, or white-colored, diamonds. Some jewels are found in their pure colors when they are mined, many others can be colored by gemologists and jewelers by carrying out a specialized process. As a way to make them less expensive to the average buyer, specialists have begun synthetically treating gems of lesser grades so they can take a less desirable yellowish or brownish colored gem and make it into the most delightful, vibrant colored diamond.
Colored diamonds are treated by a practice called irradiation, which utilizes a very high heat program to change the color of a diamond. Some other diamonds can be treated by painting them.
The Natural Range of Fancy Color
While many precious diamond gems are usually inspected and valued depending on their colorless attributes, there are individuals who like the fancy tinted diamonds which come in dramatic hues of green, yellows, reddish, pink and all the variants of shades in between.
Some colored diamonds are that way naturally. The presence of nitrogen in the formation will often provide a strong yellow color and hence you will have yellow diamonds. If the gemstone has been effected by radiation, the gem may turn green.
For those with a smaller budget who would not ordinarily be able to afford a fancy gem, can now do so with treated diamonds which are a very attractive option. Gemologists have found ways to alter the colors of diamonds to get any shade or hue desired.. Grading colored gems is more complex than grading the clear variety due to the stacking of the color intensity.. The first part of the color grading process is the identification of the primary color range, eg blue, pink etc.. Secondly, they are graded based on the intensity of that color. The more intense the colorization of a natural diamond, the more rare and thus more expensive it is valued to be. . In almost every case, a natural stone will out grade an enhanced version.
Synthetic Diamonds
In general, most diamonds are found in the earth, in mines and extracted by miners , but more recently, scientists have come up with ways to create synthetic diamonds. A synthetic version is still a real diamond, just created in a lab instead of the earth, and, of course, are much less valuable.
Colored Diamond Names
Due to the fact fancy colored diamonds are available in a wide variety of shades, it can often be difficult to interpret the category of the diamonds color. Often, you'll find two colors labeling the shade of a diamond, such as greenish blue. Each diamond color name will have a primary color attached. In our example it would be blue. If another color is mentioned with an 'ish', that would be the secondary color. If you come upon a diamond labeled "brown red", then the diamond will have equal amounts of both colors seen through the stone.
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