GIA 4Cs Blog » Diamond Treatment http://209.237.165.96/4csblog Diamond 4Cs and Gemstone Information Tue, 10 Jun 2014 06:25:40 +0000 en-US hourly 1 https://wordpress.org/?v=3.9.40 High Pressure/High Temperature Diamonds and GIA http://209.237.165.96/4csblog/2011/high-pressurehigh-temperature-diamonds-and-gia-2 http://209.237.165.96/4csblog/2011/high-pressurehigh-temperature-diamonds-and-gia-2#comments Wed, 05 Jan 2011 06:05:28 +0000 http://4csblog.gia.edu/2011/high-pressurehigh-temperature-diamonds-and-gia-2

As you’ve searched for the perfect diamond, you may have learned about high pressure/high temperature diamonds, or HPHT.  These are diamonds that have been treated via temperature or pressure to look better than they were naturally. Jewelers are required to …

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]]> As you’ve searched for the perfect diamond, you may have learned about high pressure/high temperature diamonds, or HPHT.  These are diamonds that have been treated via temperature or pressure to look better than they were naturally. Jewelers are required to provide full disclosure on HPHT stones to their customers.

Says Tom Moses, senior vice president of the GIA Laboratory and Research, “We are confident we can identify virtually all of these treated diamonds as a result of our extensive research in this area.”

The added benefit of getting a grading report from GIA is that the grading process always reveals the diamond has been treated. That gives you added peace of mind about your purchase.

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