Total 5077 products for rough natural diamond Manufacture & Suppliers

• DEF VVS VS SI Rough Uncut HPHT Lab Grown Diamonds 3.0-8.0ct For Jewellery

  

  ...Rough Uncut Diamond HPHT Lab Grown Diamonds For Jewellery Synthetic Rough Uncut Diamond Description Synthetic diamonds are mainly produced by chemical vapor deposition (CVD) or high pressure and high tempera...

  Henan Yuda Crystal Co.,Ltd

  Henan,China

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• 4ct DEF Carbon HPHT Lab Grown Rough Diamonds VVS Clarity No Grey For Ring

  

  ...Rough Diamonds For Ring Lab Grown Rough Diamond Description Synthetic diamonds are mainly produced by chemical vapor deposition (CVD) or high pressure and high temperature (HPHT) methods, and their quality i...

  Henan Yuda Crystal Co.,Ltd

  Henan,China

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• High Pressure High Temperature Rough Diamond DEF Colour Heavy Duty

  

  ... and has not been enhanced in any way. This makes it an ideal choice for those who prefer naturally occurring diamonds. The diamond is also classified as DEF in color, which is among the highest color grade ...

  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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• PCD Rough Finishing Monocrystal Diamond Cutting Tools For Acrylic Aluminium Work Piece

  

  ... polishing knife and ND natural diamond fine (fine) polishing knife, which are successively mounted in a special polishing knife plate. It can be used in diamond polishing machine, edge-grinding machine and ...

  ShenZhen Joeben Diamond Cutting Tools Co,.Ltd

  Guangdong,China

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• Uncut Man Made Diamonds 1.0ct 2.0ct 3.0ct Polished Round Brilliant Cut

  

  ... because they cost less money and effort to make than natural diamonds. Natural diamonds are very rare - they need to be drilled deep into the earth's crust to extract gem-grade diamonds. It takes a lot of s...

  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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• Raw Mono Crystal Industrial Diamond Grit Sharp Corner MCD Yellow Hpht Rough Diamond

  

  ..., laboratory-grown diamond, cultured diamond or cultivated diamond. It is produced in an artificial process, as opposed to natural diamonds, which are created by geological processes. Synthetic diamond is al...

  Shaper Diamond Technology Co., Ltd

  Hunan,China

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• Uncut HPHT Lab Grown Diamonds Industrial Rough Raw Synthetic Diamond Stones

  

  ...rough raw stones industrial synthetic diamond abrasive Synthetic diamond is a kind of superhard industrial material. It is also known as laboratory-created diamond, laboratory-grown diamond, cultured diamond...

  Shaper Diamond Technology Co., Ltd

  Hunan,China

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• Square 15 To 16 Carat CVD Lab Grown Diamond

  

  ... layer is synthesized by growing natural or artificial diamonds as seed crystals and simulates the growth environment of natural diamonds. Natural diamonds and man-made diamonds are pure carbon crystals, and...

  Henan Yuda Crystal Co.,Ltd

  Henan,China

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• VVS VS Lab Grown Diamonds DEF Color HPHT Diamonds Unpolished Cultivated Diamonds

  

  ...octahedral (eight equilateral triangular faces) crystals, and lab created diamond crystals grow into octahedral and cubic (six equivalent square faces) crystals. Inclusions: Natural and synthetic diamonds ma...

  Henan Yuda Crystal Co.,Ltd

  Henan,China

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• Synthetic Mechanical CVD Diamond Substrate 12x12mm Rough Diamond Seeds

  

  ..., its thermal stability is close to that of natural diamond. Like high temperature and high pressure artificially synthesized polycrystalline diamond, CVD diamond grains are also arranged in disorder, withou...

  Shaper Diamond Technology Co., Ltd

  Hunan,China

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• HPHT Synthetic Man Made Diamonds 2mm To 20mm For Jewelry Loose Diamonds

  

  ... grown diamonds are the same. They're real natural diamonds, but they grow in weeks, not billions of years, like mined diamonds. They have the same optical and physical properties. The main difference betwee...

  Henan Yuda Crystal Co.,Ltd

  Henan,China

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• Man Made Synthetic Rough Diamond 4-5ct DEF Color VVS VS Clarity

  

  ... aggregation of polycrystalline diamond. The molecular structure of the synthetic diamond is not entirely octahedral structure of natural diamond, but a complex structure, can produce phosphor. Artificial di...

  Henan Yuda Crystal Co.,Ltd

  Henan,China

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• Industrial Rough CVD Single Crystal Diamond MPCVD Diamond Seed 13x13x0.4mm

  

  ... stability is close to that of natural diamond. Like high temperature and high pressure artificially synthesized polycrystalline diamond, CVD diamond grains are also arranged in disorder, without brittle cle...

  Shaper Diamond Technology Co., Ltd

  Hunan,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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• 1 Carat 1.5 Carat HPHT Rough Lab Grown Diamonds Yuda Crystal For Bracelet

  

  ..., lab-made diamonds, man made diamonds, and even synthetic diamonds. These names indicate that cultivated diamonds are artificially created in laboratories or factories, rather than naturally formed or mined...

  Henan Yuda Crystal Co.,Ltd

  Henan,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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• 2.5ct 3.0ct VS SI HPHT Rough Diamond

  

  ...Rough Diamond For Cutting Carat Hpht Loose Diamonds Lab Grown Rough Diamonds Description Lab Grown Diamonds, also known as man made diamonds, cultured diamonds and lab created diamonds, are grown in a highly...

  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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