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Total 3445 products for rough diamond crystal Manufacture & Suppliers

1.00 - 10.00 Ct DEF Color Grade Cut FL -I3 Black HPHT Rough Carbon Diamond

...Rough Uncut Diamond is made using the latest technology to ensure that it is of the highest quality. The HPHT process involves subjecting the diamond to extremely high temperatures and pressure, resulting in...

Henan Yuda Crystal Co.,Ltd
Henan,China

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20 Carat Colorless HPHT Synthetic Diamond

...the laboratory. There are two main methods to make Rough Lab Grown HPHT Synthetic Diamond: one is high pressure and high temperature method (HPHT), the other is chemical vapor deposition method (CVD). HPHT(H...

Henan Yuda Crystal Co.,Ltd
Henan,China

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1ct 2ct Rough Lab Grown Diamonds 8.0mm SI VVS D E F Color Diamond

... grown in the laboratory and the natural diamonds grown in the laboratory are pure carbon and have the same physical and chemical properties. What is the difference between a lab-grown rough diamond and a na...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Single Crystal HPHT Lab Grown Diamonds Mono Synthetic Diamond Grit For Drawing die

...rough mono diamond without inclution Product Details Item HPHT Yellow(111) orientation diamond Color Yellow Hardness Moh's 10 Tolerance 0.05mm Size Innner diameter 2mm to 3mm Thickness 0.5 to 1.5mm Appli...

Shaper Diamond Technology Co., Ltd
Hunan,China

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6ct 7ct 8ct DEF Color VS Clarity HPHT Lab Grown Diamonds For Polished Diamonds

... diamond. Diamond is generated and manufactured by simulating the characteristics of natural diamond crystal by artificial method. The whole process using only the right amount of power and raw materials, en...

Henan Yuda Crystal Co.,Ltd
Henan,China

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DEF Color VVS VS SI Clarity 7ct 8ct 9ct Lab Grown HPHT Diamond For Polished Diamonds

...Diamonds For Polished Diamonds Lab Raw Uncut Rough Diamond Description Synthetic diamond, also called the laboratory synthetic diamond, synthetic diamond. Using artificial methods to simulate the characteris...

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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3.0ct 4.0ct 5.0ct DEF Color HPHT Lab Grown Diamonds For Making Carat Lab Diamonds

..., diamond is a carbon elemental crystal and its composition is the same as that of coal and graphite. However, although the coal and graphite we see in our lives are all black, diamonds are not black at all....

Henan Yuda Crystal Co.,Ltd
Henan,China

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VVS VS 3.0 Carat 10.0 Carat HPHT Lab Grown Diamonds For Polish Diamonds

... point of view, diamond is a carbon elemental crystal and its composition is the same as that of coal and graphite. However, although the coal and graphite we see in our lives are all black, diamonds are not...

Henan Yuda Crystal Co.,Ltd
Henan,China

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White D E F Color HPHT Lab Diamonds 1.5ct 2.0ct HPHT Loose Diamond

... of view, diamond is a carbon elemental crystal and its composition is the same as that of coal and graphite. However, although the coal and graphite we see in our lives are all black, diamonds are not black...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Large Size 10ct+ Laboratory Created Diamonds HPHT Synthetic Diamond For Jewery

... are black and opaque under transmitted light, and appear metallic under reflected light. This is because during the growth of HPHT diamonds, metals used as catalysts sometimes enter the diamond crystals. Th...

Henan Yuda Crystal Co.,Ltd
Henan,China

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11-12ct HPHT Lab Grown Diamonds Artificial HPHT Synthetic Diamond For Jewelry

... is a carbon elemental crystal and its composition is the same as that of coal and graphite. However, although the coal and graphite we see in our lives are all black, diamonds are not black at all. They are...

Henan Yuda Crystal Co.,Ltd
Henan,China

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DEF Color VVS VS HPHT Lab Grown Diamonds Cultivated Diamonds

..., diamond is a carbon elemental crystal and its composition is the same as that of coal and graphite. However, although the coal and graphite we see in our lives are all black, diamonds are not black at all....

Henan Yuda Crystal Co.,Ltd
Henan,China

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VS+ Clarity DEF Color Synthetic Diamond HPHT Artificially Grown Diamonds

... of view, diamond is a carbon elemental crystal and its composition is the same as that of coal and graphite. However, although the coal and graphite we see in our lives are all black, diamonds are not black...

Henan Yuda Crystal Co.,Ltd
Henan,China

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White DEF Color Rectangular HPHT Lab Grown Diamonds VS SI

... of view, diamond is a carbon elemental crystal and its composition is the same as that of coal and graphite. However, although the coal and graphite we see in our lives are all black, diamonds are not black...

Henan Yuda Crystal Co.,Ltd
Henan,China

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35ct 1.4mm 2.0mm Rough Lab Grown Diamonds For Star Melee Diamonds

...Rough Lab Grown Diamonds For Cutting Star Melee Diamonds Rough Lab Grown Diamonds Description The word "diamond" comes from the Greek adamas, which means indestructible. Indeed, diamonds are the hardest mate...

Henan Yuda Crystal Co.,Ltd
Henan,China

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0.6-0.8 Carat Lab Grown HPHT Treated Diamonds Synthetic Uncut Diamond For Jewelry

... (also known as an artificial diamond, cultured diamond, or cultivated diamond) is diamond produced in an artificial process. Now we have the technology to grow diamonds under the environment of HPHT. This k...

Henan Yuda Crystal Co.,Ltd
Henan,China

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Small White Rough Lab Grown Diamonds Hpht Uncut Diamond For Jewelry Making

...) or a large mechanical press (if manufactured by HPHT). Then, depending on the technology used, some combination of heat, pressure and a carbon source are used to make the crystals grow, layer by...

Henan Yuda Crystal Co.,Ltd
Henan,China

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