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Total 5077 products for natural rough diamond Manufacture & Suppliers

6.5mm 7.5mm Rough Lab Grown Diamonds HPHT Diamonds

...Rough Lab Grown Diamonds Made By HPHT Rough Lab Grown Diamonds Description Lab-grown diamonds are diamonds grown in the laboratory using equipment that simulate the growth environment of natural diamonds. Bo...

Henan Yuda Crystal Co.,Ltd
Henan,China

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White HPHT Rough Lab Grown Diamonds Loose Lab Diamonds 0.03ct To 20.00ct

...natural diamonds under the earth's crust. This formation process is the main factor that distinguishes laboratory diamonds from natural diamonds. The physical and chemical properties of laboratory-grown diam...

Henan Yuda Crystal Co.,Ltd
Henan,China

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5-6ct HPHT Lab Grown Diamonds DEF Color VVS Clarity For Ring And Necklace

..., so that the carbon of non-diamond structure is transformed into the carbon of diamond structure. To put it simply, the raw material of graphite powder is transformed into diamond structure through high tem...

Henan Yuda Crystal Co.,Ltd
Henan,China

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HPHT CVD Rough Lab Grown Diamonds VVS Synthetic Diamond OEM

Rough diamond synthetic diamond rough vvs lab diamond Prodct details: HPHT rough diamond,"4 C" for white diamond 1, Color: DEF GH 2, Carat: 0.01-10ct 3, Clarity: VVS, VS, SI 4, Cut: RAW synthetic diam...

Shaper Diamond Technology Co., Ltd
Hunan,China

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DEF Full White Rough Lab Grown Diamonds 0.1cm To 2cm Mohs 10 Scale For Loose Diamonds

...Rough Diamonds For Making Lab Grown Loose Diamonds Lab Grown Rough Diamonds Description Laboratory-grown diamonds, also known as laboratory-made diamonds, man-made diamonds and synthetic diamonds, are pure c...

Henan Yuda Crystal Co.,Ltd
Henan,China

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2.0-2.5 Ct HPHT DEF Colour Diamond Lab Created Diamond Raw Stones

...rough diamond lab created diamond raw stones for sale HPHT VS CVD? As we know that there are two methods for producing lab grown diamonds, high temperature and high pressure and cvd. Which of these two metho...

Henan Yuda Crystal Co.,Ltd
Henan,China

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0.60ct 1.00ct Rough VS SI Diamonds 1 Carat Lab Grown Diamond 5.0mm To 7.0mm

...: one is high pressure and high temperature method (HPHT), the other is chemical vapor deposition method (CVD). Will artificial diamonds be confused with natural diamonds? Many people have similar doubts: si...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Yuda Crystal 1ct 16ct Rough Uncut Diamond HPHT Synthetic Diamond Jewelry

...chemical vapor deposition (CVD) or high pressure high temperature (HPHT) methods which are similar to natural diamond in quality. Synthetic diamond is often used to process priceless jewelry, because it can ...

Henan Yuda Crystal Co.,Ltd
Henan,China

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VS SI HPHT DEF White Raw Diamond 8 Carat 9 Carat 10 Carat

... are not created by the power of nature as they were millions of years ago, but by works of art in which one can participate. The diamonds were produced in industrial laboratories under the guidance of talen...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Full White 1 Carat Rough Lab Grown Diamonds For Making Lab Grown Diamond Jewelry

... equipment to mimic the environment of natural diamond formation. Diamond crystals are used as seeds to induce the growth of diamond crystals. The physical and chemical properties of man-made diamonds are ex...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Industrial HPHT Lab Grown Diamonds White Rough DEF GH Color Diamond A Grade

...Rough Diamond DEF GH Color Cheap Price Lab Grown Diamond Prodct details: HPHT rough diamond,"4 C" for white diamond 1, Color: DEF GH IJ 2, Carat: 0.1-3.0ct 3, Clarity: VVS, VS, SI 4, Cut: RAW synth...

Shaper Diamond Technology Co., Ltd
Hunan,China

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3mm 4mm 5mm Rough Lab Grown Diamonds D E Color VVS VS Clarity

...Rough Lab Grown Diamonds For Making Small Size Lab Diamonds Rough Lab Grown Diamonds Description The lab grown diamonds are also real diamonds. They have the same chemical composition and crystal structure a...

Henan Yuda Crystal Co.,Ltd
Henan,China

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12mm 14mm DEF Color Rough HPHT Synthetic Diamond

.... Nowadays, there are two main methods to create lab grown diamonds. The two methods are HPHT and CVD methods. HPHT means High pressure high pressure. It imitates the formation process of natural diamond, pu...

Henan Yuda Crystal Co.,Ltd
Henan,China

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4.0Ct 5.0Ct Per Stone D E F Color Man Made Diamonds Rough Cut Round Shape Loose Diamonds

...Diamonds Rough Cut Round Shape Loose Diamonds Do lab grown diamond look different? To the naked eye, lab diamonds look exactly the same as the mined ones to even the most trained and experienced jewelers and...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Round Synthetic Diamond White Color VVS VS Purity HPHT Lab Grown Diamonds Rough

...Diamond White Color VVS VS Purity HPHT Lab Grown Diamonds Rough Do lab grown diamond look different? To the naked eye, lab diamonds look exactly the same as the mined ones to even the most trained and experi...

Henan Yuda Crystal Co.,Ltd
Henan,China

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4 Carat Loose Lab Created Diamond Lab Grown 2.5 Carat Diamond

..., and their physical, chemical, crystal structure and optical properties are exactly the same. How are diamonds made? 1. high pressure high temperature process (HPHT) In the laboratory or factory to create h...

Henan Yuda Crystal Co.,Ltd
Henan,China

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White Color Hpht Rough Lab Grown Diamonds Uncut 1ct Lab Diamond

...the use of jewelry and industrial use,the demand for diamonds is very large. In the past few decades, diamonds manufactured through laboratories have basically met this demand.With the advancement of science...

Henan Yuda Crystal Co.,Ltd
Henan,China

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4.0ct 5.0ct DEF VVS VS Man Made Diamonds

...Rough Diamonds For Making 2 Carat Loose Diamonds Man Made Rough Diamonds Description Synthetic diamonds are made via HPHT or CVD methods nowadays. High temperature and high pressure technology fully simulate...

Henan Yuda Crystal Co.,Ltd
Henan,China

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DEF VVS VS Clarity Rough Lab Grown Diamonds 6-6.99 Carat

... rare and expensive, people have turned to artificial methods to extend the life of this non-renewable resource. Synthetic diamond have attracted more and more attention in recent years because they are more...

Henan Yuda Crystal Co.,Ltd
Henan,China

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D E F Color 4.0-5.0 CT Uncut HPHT Diamond Lab Grown Diamond In Rough For Jewelry

... diamond" the only thing that makes a lab grown diamond different from a natural diamond is its origin. hph diamonds from laboratory, natural diamonds from underground. same hardness,same chemical compositio...

Henan Yuda Crystal Co.,Ltd
Henan,China

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