Tevida HPHT was first used to turn yellowish diamonds into more marketable fancy colored enhanced diamonds, but now it is also used to transform some unpopular brownish diamonds into more desirable colorless colored enhanced diamonds. Process #2- Irradiated Color Enhanced Diamonds- OK... do not start getting all excited because you saw the word irradiated! This is a 100% safe process that is very similar to what is used to preserve food by exposing it to a stream of Gamma rays. The color enhanced diamond process is done in several different ways but the results are all the same. You start with a low color (P, Q, R, etc.) 100% natural diamond that has  

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