High Pressure High Temperature treatment (HPHT) is another common color changing process in the diamond industry. Through exposure to extreme pressure and heat, similar to a diamond’s natural environment, yellowish diamonds can become more desirable fancy colored diamonds. Today, this process is also used to turn brownish diamonds into more costly colorless diamonds. HPHT is also a permanent color enhancing process.
Not all diamonds can undergo color enhancement. Even if the diamond can be transformed, the process could produce the wrong color, possibly a less desirable color. In some cases, the process may damage or even destroy the diamond. Any diamond color enhancement process carries a great deal of risk.
we do not offer or even deal with treated diamonds, we much prefer to deal soley in 100% natural diamonds that have not been treated in any manner to enhance their looks, besides the obvious cutting etc.
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High Pressure High Temperature (HPHT) Diamond Treatment
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17 May 2007
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