HPHT/CVD
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Welcome to Hydray, buy HPHT/CVD laboratory grown diamonds
cvd rough diamond 1mm 2mm 3mm 4mm synthetic diamond Rough Uncut CVD/HPHT Diamond 1.Size:0.001-1ct, 1mm-3.5mm 2.Clarity:S1,S2,VS,VVS 3.Color:E,F,G,H
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2021-7-18 · Differences in Color. These two main methods commonly used in the creation of lab diamonds, that is CVD and HPHT, each tends to produce diamonds with differing hues. HPHT diamonds can have some metallic flux which remains trapped within the diamond material and this can give it a grayish hue. The presence of boron in HPHT diamonds can give them ...
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Product Description. 3.0-4.0ct DEF Color VS SI Mix Quality Lab Made HPHT Rough Diamonds . Lab Made HPHT Rough Diamonds Description . Laboratory-grown diamonds are grown by simulating the growth environment of natural diamonds through high-temperature and high-pressure methods or chemical meteorological deposition.
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LAB GROWN DIAMOND GEM QUALITY DEVELOPMENT. Synthetic diamonds for use as gemstones are grown by HPHT or CVD methods, and represented approximately 2% of the gem-quality diamond market as of 2013.However, there are indications that the market share of synthetic jewelry-quality diamonds may grow as advances in technology allows for larger higher-quality synthetic production on .
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Product Description. 3.0-4.0ct DEF Color VS SI Mix Quality Lab Made HPHT Rough Diamonds . Lab Made HPHT Rough Diamonds Description . Laboratory-grown diamonds are grown by simulating the growth environment of natural diamonds through high-temperature and high-pressure methods or chemical meteorological deposition.