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“Unscrupulous sellers sometimes apply coatings to mask or enhance the true color of a diamond. These coatings can be removed by wear or cleaning solutions. Irradiation, followed by high heat treatment, is used to convert brown and yellow diamonds into fancy colors such as green, vivid yellows, blues, purples, reds and other colors. This color change is usually permanent, but could possibly be affected if high heat is used during setting repairs. ”

Handjobs video samples clips High Pressure High Temperature Treatment (HPHT) was first used to turn low-priced yellowish diamonds into fancy colored gemstones, but it is also used to transform them into completely colorless diamonds that can be sold for a much higher price. Some companies claim HPHT isn't an artificial treatment at all, calling it a technique that finishes the job nature started. Certainly diamonds are exposed to such an environment in the earth, and when the process is repeated in a man-made environment it is difficult to detect by examination of the stone. GIA grading reports now indicate when HTPT treatments are detected by stating "HPHT Annealed" or "Artificially Irradiated" in the Origins portion of a report. The FTC requires that any diamonds subjected to HPHT be labelled as such.

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Naughty sexy neighbor video Synthetic colored diamonds are also available. These are chemically the same as natural diamonds, but they are created in a lab. The secret to making diamonds was discovered in the 1950s, when diamonds were synthesized almost simultaneously by Swedish and American researchers. This process uses pressures of over 55,000 atmospheres and 1400C, plus molten iron to convert graphite to diamond, were necessary. Currently approximately 80 tons of synthetic diamonds are produced annually by General Electric, De Beers, mostly for industrial use.

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However, some companies are also producing high-grade synthetic diamonds, and this process makes ownership of a fancy color diamond a reality for buyers who otherwise could not afford to purchase a natural stone. For instance, a company called Gemesis specializes in producing yellow and orange fancy color diamonds.