HPHT/CVD
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This article reviews the main mistakes to avoid when buying a lab-created diamond: CVD – Avoid brown color hue. Avoid diamonds with strain lines that cause them to look fuzzy. HPHT – Avoid blue color hue ("blue nuance" or "faint blue"). There's a lot of variation in .
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2021-11-15 · CVD and HPHT differ in terms of the creation process of the diamonds. HPHT has been around longer as a synthetic technique, whereas CVD is a newer, less expensive technique. While a CVD diamond is more likely to have brown streaks, the .
The gemological and spectroscopic properties of 52 colorless to fancy light-colored HPHT synthetic diamonds (40 of them colorless or near-colorless) produced by AOTC using either toroid- or ...
2017-11-10 · CVD synthetics, but the phosphorescen ce is generally. less intens e. ... more than 1,000 carats of near-colorl ess synthetic dia-monds per day (W. Wang, .
The gemological and spectroscopic properties of 52 colorless to fancy light-colored HPHT synthetic diamonds (40 of them colorless or near-colorless) produced by AOTC using either toroid- or ...
2021-6-15 · HPHT vs CVD Diamonds. The main difference between HPHT vs CVD diamonds is the way they grow or their morphology. HPHT diamonds grow in cuboctahedron shape and have 14 growth directions, while CVD diamonds grow cubic and have 1 growth direction. In comparison, natural diamonds grow in octahedron shape and have 8 growth directions.
2021-6-15 · HPHT vs CVD Diamonds. The main difference between HPHT vs CVD diamonds is the way they grow or their morphology. HPHT diamonds grow in cuboctahedron shape and have 14 growth directions, while CVD diamonds grow cubic .
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The gemological and spectroscopic properties of 52 colorless to fancy light-colored HPHT synthetic diamonds (40 of them colorless or near-colorless) produced by AOTC using either toroid- or ...
This article reviews the main mistakes to avoid when buying a lab-created diamond: CVD – Avoid brown color hue. Avoid diamonds with strain lines that cause them to look fuzzy. HPHT – Avoid blue color hue ("blue nuance" or "faint blue"). There's a lot of variation in .
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