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Total 5077 products for rough natural diamond Manufacture & Suppliers

VS1 SI2 No Blue No Grey Rough Diamonds HPHT 3.0ct 4.0ct For Jewelry

... of high technology to simulate the environment in which natural diamonds are formed in the earth's crust, and layer by layer of carbon atoms to form rough stones. There is no difference between these two ty...

Henan Yuda Crystal Co.,Ltd
Henan,China

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4Ct 5Ct HPHT Rough Diamond DEF Color Lab Produced Diamonds

...Rough Lab Grown Diamond HPHT Rough Lab Grown Diamond Description Rough Lab Grown Diamond made in the laboratory, not mined from the earth. Rough Lab Grown Diamond are not fakes, they are not cubic zircons, ...

Henan Yuda Crystal Co.,Ltd
Henan,China

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3-4.99ct HPHT Rough Diamond Round

... formed by natural diamonds in the laboratory, and use small diamond seeds to induce natural crystallization of diamonds, so as to cultivate diamonds with the same physical, chemical and optical characterist...

Henan Yuda Crystal Co.,Ltd
Henan,China

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1 Carat Lab Grown HPHT Uncut Rough Diamond For Jewelry Making

...diamond rough ~~~~~~~ China Manufacturer 1 Carat Lab Grown HPHT Uncut Rough Diamond For Jewelry Making A synthetic diamond (also known as an artificial diamond, cultured diamond, orcultivated diamond) is dia...

Henan Yuda Crystal Co.,Ltd
Henan,China

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4.0 - 5.0 ct per carat price D E F Color VS Clairty HPHT Rough Lab Grown Diamond

...Rough Lab Grown Diamond HPHT Rough Lab Grown Diamond Description Rough Lab Grown Diamond made in the laboratory, not mined from the earth. Rough Lab Grown Diamond are not fakes, they are not cubic zircons, ...

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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3Ct 4Ct 5Ct Big Rough Diamonds VS SI Gem Quality 5mm To 20mm For Jewelry

..., the advanced technology is used to simulate the environment of natural diamond formation in the equipment, and the diamond crystal is used as seed to induce diamond crystal growth. The physical and chemica...

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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6ct 6.5ct 7ct HPHT Rough Diamond White Lab Diamond

..., paying close attention to quality. They are produced by extreme heat and pressure. Pure carbon is used to make laboratory diamonds, just like natural diamonds. Laboratory made diamonds exhibit the same phy...

Henan Yuda Crystal Co.,Ltd
Henan,China

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4pcs 3pcs 2pcs HPHT Rough Diamond 0.2ct 0.6ct Laboratory Made Diamonds

...Rough Diamonds For Making Small Sizes Lab Grown Loose Diamonds HPHT Rough Diamonds Description How is the diamond production process in the laboratory? Man-made diamonds do not need to be produced under the ...

Henan Yuda Crystal Co.,Ltd
Henan,China

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1 Carat 100% Full White HPHT Rough Diamond 1.5 Carat Lab Diamond

...Rough Diamond For Making Def Color Hpht Lab Diamonds Lab Grown Rough Diamonds Description Natural diamonds were formed billions of years ago, while Lab Grown Diamonds can only be formed in a few days. There ...

Henan Yuda Crystal Co.,Ltd
Henan,China

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5.0 Carat 5.5 Carat 6.0 Carat HPHT Diamond Rough VS1 VS2 SI1 SI2 DEF Color

...Diamonds Rough For 2carat 2.5carat 3carat Lab Diamond Ring Lab Grown Rough Diamonds Description The best diamond made in the laboratory is type IIA, which is the purest diamond at present. In fact, only 2% o...

Henan Yuda Crystal Co.,Ltd
Henan,China

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DEF Color Uncut HPHT Lab Grown Rough Diamond VVS VS SI Clarity 3.0ct 5.0ct

...Rough Diamond HPHT Lab Grown Diamonds VVS VS SI Clarity Lab Created Diamonds Description Lab grown diamond, also known as artificial diamond, artificial diamond, is produced in the laboratory of diamond, and...

Henan Yuda Crystal Co.,Ltd
Henan,China

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DEF Color VS Clarity HPHT Rough Diamond Synthetic Diamond 1.0 To 1.5 Carat

...diamonds, also known as lab-grown diamonds and synthetic diamonds, are pure carbon diamonds grown in highly-controlled laboratory conditions that simulate the Earth's natural growing process, above ground. S...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Zhengzhou Supplier VS1 Rough Lab Grown Diamonds 4-4.99 Carat

...diamonds are simply synthetic diamonds, which can also be called cultured diamonds. This diamond has been recognized by more and more people in the past two years and is one of the best alternatives to natur...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Rough TNT HPHT Lab Grown Diamonds White DEF Color VVS Clarity Engineered Diamonds

...Rough HPHT Lab Grown Diamonds Lab Grown Diamonds Description Cultured diamond (synthetic diamond) is a kind of diamond crystal synthesized by scientific method to simulate the crystallization conditions and ...

Henan Yuda Crystal Co.,Ltd
Henan,China

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VVS Rough White Lab Diamond Big HPHT Synthetic 2 Carat Man Made Diamond

... is no inferior to the original stone. Is the diamond made in the laboratory real? Of course, they are! Man made diamonds have no defects and are cleaner and harder than natural diamonds. Synthetic diamonds ...

Henan Yuda Crystal Co.,Ltd
Henan,China

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VVS VS Clarity Rough HPHT Lab Grown Diamonds White DEF Color 4-5ct

...Rough 4-5ct White HPHT Lab Grown Diamonds Lab Grown Diamonds Description Lab grown diamond is a small diamond as the seed, by simulating the growth of natural diamonds to grow. It has the same physical, chem...

Henan Yuda Crystal Co.,Ltd
Henan,China

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