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CVD/HPHT Uncut synthetic diamond: M.O.Q. 5-10 carat: Brand: Chenguang Diamond: Size : 1mm-10mm: Advantages: 1. Perfect raw material control system ensures the stability of the products: 2. Advanced processing technology promises the superiority of the products: 3. Various kinds of products can meet different requirements of different customers

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Rough uncut HPHT synthetic diamond Lab Grown Diamonds are grown in highly-controlled laboratory conditions that simulate the earth’s natural growing environment, producing real diamonds that are optically, physically and chemically identical to earth mined diamonds, so its refractive index ,density ,hardness ,dispersion and crystalline structure are almost same as each other.

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White Lab Grown Cvd/hpht Polished Synthetic Diamond

2017-08-06· Rough Uncut CVD/HPHT Diamond . 1.Size: 0.001-4ct, 1mm-3.5mm 2.Clarity: S1,S2,VS,VVS 3.Color: E,F,G,H 4.Type: CVD/HPHT laboratory grown diamond 5.Hardness: Mohs 10 6

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Alibaba offers 2,600 white rough hpht diamond products. About 50% of these are Loose Diamonds, 8% are Loose Gemstone. A wide variety of white rough hpht diamond options are available to

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2018-03-29· CVD Lab Grown Rough Diamonds. Thread starter diagem; Start date Jul 3, 2017; diagem Ideal_Rock. Trade. Joined Oct 21, 2004 Messages 4,923. Jul 3, 2017 #1 We all should know what natural rough Diamonds look like (I hope). I just had the pleasure to study up close some CVD rough for the first time..., It's no easy process preparing such crystals for cutting. You must laser saw off the black

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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 a more economic scale. [104]

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lab Grown Diamond HPHT/CVD: lab Grown Diamond HPHT/CVD. Lab grown diamonds are generally produced by chemical vapor deposition (CVD) or high pressure high temperature (HPHT) methods. CVD uses ultra-pure carbon-rich gases in a controlled environment. It produces Type IIa diamonds, which are quite rare in nature and account for less than two percent of all mined diamonds. Type IIa diamonds

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HPHT White CVD Synthetic Rough Diamond at Price

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HPHT is one of method to create lab grown diamond by hydralic press machine, engineers mix the diamond power and graphite together to >>>More tools Caratek specializes in research & development, manufacturing and marketing of HPHT diamond (lab-grown diamond) as

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Lab grown diamonds, often referred to as cultivated diamonds, man made diamonds, or even synthetic diamonds are created in a laboratory setting that emulates the natural process of a diamond’s growth only, taking a lot less time (say, 3 billion years less, give or take).

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Large Colorless HPHT-Grown Synthetic Gem Diamonds

Near-colorless and colorless synthetic diamonds of gem quality are produced using HPHT or CVD growth methods, with CVD material the most commonly encountered “white” synthetic diamond seen at GIA’s laboratory. In recent years, advances in CVD growth methods and the introduction of post-growth decolorizing HPHT treatments have led to the rapid evolution of synthetic diamond quality

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Identifying Lab-Grown Diamonds Research & News

2016-07-25· HPHT-grown synthetic diamonds are now available in the gem and jewelry marketplace in a wide range of colors, as evident from this attractive synthetic yellow diamond jewelry (1.00 to 1.25 cts) provided by Gemesis Corp. and these loose synthetic diamonds (each under 1 ct) from Lucent Diamonds and Chatham Created Gems.

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China Hpht Synthetic White Uncut Rough Diamond for Jewelry

CVD/HPHT Uncut synthetic diamond: M.O.Q. 5-10 carat: Brand: Chenguang Diamond: Size : 1mm-10mm: Advantages: 1. Perfect raw material control system ensures the stability of the products: 2. Advanced processing technology promises the superiority of the products: 3. Various kinds of products can meet different requirements of different customers ...

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1 Carat Up Uncut Rough White Lab Grown Hpht Cvd Synthetic

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Rough uncut HPHT synthetic diamond, High Quality White

Rough uncut HPHT synthetic diamond Lab Grown Diamonds are grown in highly-controlled laboratory conditions that simulate the earth’s natural growing environment, producing real diamonds that are optically, physically and chemically identical to earth mined diamonds, so its refractive index ,density ,hardness ,dispersion and crystalline ...

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Lab Grown Diamonds | Learn More About Lab Grown & Shop

White lab grown diamonds are 20%-40% less than their earth-mined equivalents. YELLOW LAB GROWN DIAMONDS. Both mined and lab grown diamonds get the yellow color from nitrogen. Once light enters the diamond, the nitrogen will reflect back yellow light. Yellow lab grown diamonds cost up to 75% less than their earth-mined equivalents. BLUE LAB ...

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