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Total 5076 products for natural rough diamond Manufacture & Suppliers

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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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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Small EFG VS SI HPHT Rough Diamond

... diamonds, grow in a highly controlled laboratory environment. With advanced technology, they reproduce the natural conditions for the formation of diamonds under the mantle and crust. These synthetic diamon...

Henan Yuda Crystal Co.,Ltd
Henan,China

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VVS VS SI D E F 7.0ct 7.5ct HPHT Rough Diamond 8 Carat Uncut Diamond

...Rough Diamond For Cutting 2.5ct 3.0ct 4.0ct Lab Diamonds Lab Grown Rough Diamonds Description Diamonds produced in laboratories, as the name suggests, are synthetic diamonds produced in laboratories. It's th...

Henan Yuda Crystal Co.,Ltd
Henan,China

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1 Carat Laboratory Grown HPHT Rough Diamond White 0.5ct Polish Lab Diamonds

...grown in the laboratory. They are composed of carbon atoms, have the same physical properties and chemical composition as natural diamonds, and have fewer impurities and higher purity than natural diamonds. ...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Lab Based Diamonds HPHT Lab Grown Diamonds White Synthetic Rough Diamond

... diamonds, and exhibit the same flame, flicker and flash. Under magnifying glass, it is almost impossible to distinguish man-made diamonds from natural diamonds. Laboratory made diamonds may exhibit trace el...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Yuda Crystal Uncut HPHT Rough Diamond Lab Grown 3 Carat Diamond

...all the same physical properties of natural diamonds, but it is not the related cost of mining natural diamonds. Laboratory diamonds are sometimes associated with cheap diamonds, but they are not cheap at al...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Round HPHT Rough Diamonds 8.0ct Lab Grown Diamonds White Color VVS VS

...Diamonds White Color VVS VS Rough Diamond Lab Created Diamonds Description Lab created diamonds, also known as lab-grown diamonds and synthetic diamonds, are pure carbon diamonds grown in highly-controlled l...

Henan Yuda Crystal Co.,Ltd
Henan,China

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E F G Color Rough Diamond CVD Lab Created Diamonds Uncut High Clarity

...Rough Diamond CVD Lab Created Diamonds Uncut high Clarity Synthetic Diamonds What is the difference between CVD DIAMOND and HPHT Diamond? They are all cultivate diamonds, produced in the laboratory using two...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Uncut HPHT Lab Grown Rough Diamonds 100% Real VS SI Clarity Diamonds Round Shape

...Diamonds Round Shape Uncut HPHT Lab Grown Rough Diamonds Why Choose Lab Grown Diamonds? Environmental protection concept. The price is only 1/3 of natural diamonds, wouldn't you buy it? Cultivate the prospec...

Henan Yuda Crystal Co.,Ltd
Henan,China

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6Ct 7Ct VVS VS Clarity DEF Colour White HPHT Rough Diamond For Rings

...natural diamond in chemical composition, crystal structure, optical properties and physical properties of no difference, only atomic structure level difference. The concept of lab-made diamonds has only ente...

Henan Yuda Crystal Co.,Ltd
Henan,China

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EFG Color VVS VS HPHT Rough Diamond Uncut Rectangular HPHT Lab Created Diamond

...Rough Diamond Uncut Rectangular Shape HPHT Lab Created Diamond What is the HPHT diamond? HPHT is short for High pressure-high Temperature treatment. Its purpose is to change or improve the natural body color...

Henan Yuda Crystal Co.,Ltd
Henan,China

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3.0ct 4.0ct HPHT Rough Diamonds

...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 chem...

Henan Yuda Crystal Co.,Ltd
Henan,China

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VS SI 3.0ct 4.0ct 5.0ct HPHT Rough Diamonds Custom For 1 Carat Loose Diamond

... the pressure and temperature of the natural diamond-producing environment. The formation process is initiated by forcing a chemical reaction, through adding a catalyst to carbon, and placing the mixture in ...

Henan Yuda Crystal Co.,Ltd
Henan,China

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VVS VS SI Clarity HPHT Rough Diamond Round White DEF Color For Ring

...Rough Diamond For Ring Lab Grown Diamonds Description Synthetic techniques of cultured diamond can be divided into high temperature and high pressure method (HTHP) and chemical vapor deposition (CVD). 1) Hig...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Cvd Hpht White Rough Diamond Synthetic Diamond Rough Vvs Lab Diamond

Rough diamond synthetic diamond rough vvs lab diamond Prodct details: HPHT rough diamond,"4 C" for white diamond 1, Color: DEF GH IJ 2, Carat: 0.1-5ct 3, Clarity: VVS, VS, SI 4, Cut: RAW synthetic dia...

Shaper Diamond Technology Co., Ltd
Hunan,China

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HPHT Rough VVS Lab Grown Synthetic CVD Rough Diamond for Mechanical

...synthetic diamond Type: hpht(high pressure and high temperature) Advantage: 1, high quality as natural diamond, hardness is Moh's 10, can pass diamond test pen. 2, good transparency, pure white color(VVS...

Shaper Diamond Technology Co., Ltd
Hunan,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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6.0ct 7.0ct HPHT Rough Diamonds Uncut Unpolished Diamond For Fancy Oval Diamonds

...Rough Diamonds For 2 Carat 2.5 Carat Fancy Oval Shape Cvd Polish Diamonds HPHT Rough Diamonds Description Lab grown rough diamonds include HPHT rough diamonds and CVD rough diamonds. Both HPHT and CVD are t...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Rectangular DEF Color 8.0 9.0 Carat HPHT Rough Diamonds For Enagement Ring

...Rough Diamonds For 2.5ct HPHT Diamond Enagement Ring Making HPHT Rough Diamonds Description Lab grown rough diamonds include HPHT rough diamonds and CVD rough diamonds. Both HPHT and CVD are the two main me...

Henan Yuda Crystal Co.,Ltd
Henan,China

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