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Heed the lessons from natural diamonds, don't buy fuzzy brown CVD diamonds with visible strain lines! CVD diamond with strain lines: 2.16ct G VS1 CVD diamond with strain lines: 1.72ct G VS1. In contrast, HPHT diamonds do not exhibit such strain lines. Note how much clearer a diamond without strain lines looks compared to the CVD examples above.
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Heed the lessons from natural diamonds, don't buy fuzzy brown CVD diamonds with visible strain lines! CVD diamond with strain lines: 2.16ct G VS1 CVD diamond with strain lines: 1.72ct G VS1. In contrast, HPHT diamonds do not exhibit such strain lines. Note how much clearer a diamond without strain lines looks compared to the CVD examples above.
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Disreputable companies are spreading misinformation about the methods of growing diamonds and the superiority of one over the other: which is better or worse, CVD or HPHT. As you might have already noticed and wondered, the information coming from these companies and media outlets can be extremely contradicting when it comes to the topic of CVD vs HPHT diamonds.
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2021-10-28 · A CVD diamond will pass the test as the diamonds produced by this method are mostly categorized as type lla. They have minimal to no impurities present in the diamond. An HPHT diamond might not pass the test with ease, as the diamond created by this method may have excess impurities (mostly metal impurities) present in it.
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2021-10-28 · A CVD diamond will pass the test as the diamonds produced by this method are mostly categorized as type lla. They have minimal to no impurities present in the diamond. An HPHT diamond might not pass the test with ease, as the diamond created by this method may have excess impurities (mostly metal impurities) present in it.
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2021-9-23 · The former also costs about 30% less while having identical chemical and physical properties as the latter. There are two main methods to harvest diamonds in a lab: high pressure high temperature (HPHT) and chemical vapour deposition (CVD). The high pressure high temperature (HPHT) process is a diamond creation technique developed in the 1950s ...
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