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

Categories HPHT Lab Grown Diamonds
Brand Name: YUDA CRYSTAL
Model Number: A+ A
Certification: None
Place of Origin: Zhengzhou,Henan,China
MOQ: Negotiate
Price: Negotiate
Payment Terms: 100% Payment In Advance
Supply Ability: 50000carats per month
Delivery Time: 1-7 Working Days Depends On Quantity
Packaging Details: Carton box
Product Name: Synthetic Rough Uncut Diamond
Brand: Yuda Crystal
Grade: High
Diamond Color: DEF
Diamond Clarity: VVS VS SI
Diamond Carat Weight: 3-8ct
Diamond Cut: Uncut
Technology: HPHT
Diamond Shape: Round
Usage: For Jewellery
Component: Carbon
Hardness: Moh's 10 Scale
Available Type: HPHT
Place Of Origin: Zhengzhou,Henan,China
Payment Mode: T/T, Bank Transfer, PayPal, Western Union
Courier: FedEx, DHL, UPS, TNT, EMS etc
Customization: Welcome
Polish: None
Sample Order: Welcome
Treatments Applied: None
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DEF VVS VS SI Rough Uncut HPHT Lab Grown Diamonds 3.0-8.0ct For Jewellery

DEF VVS VS SI 3.0-8.0ct 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 temperature (HPHT) methods, and their quality is similar to that of natural diamonds. Artificial diamond is often used to processing priceless jewelry, it can be cut into various shapes, and polishing for many different kinds of diamond products.

In the past ten years, the laboratory manufacture of diamond has received the widespread attention, because it allows many deemed too difficult before the new application of diamond. Synthetic diamond is a kind of environmental protection product, 100% without conflict.

With the progress of human technology, scientists have will be transferred to the laboratory environment of natural diamond, using high pressure high temperature (HPHT) to simulate the growth environment of diamonds, diamond the size of gravel as seed and grow.

Since diamonds can be artificial cultivation, so they can be mixed with natural diamond?

Using professional equipment, to be measured by the color of the diamond, crystal shape, crystal surface features, internal inclusion, absorption spectrum and ultraviolet fluorescence characteristics of contrast, can be completely to distinguish the artificial cultivation of diamond and natural diamond. After all, natural diamond crystals were formed billions of years ago, whereas cultured diamonds can only form in a matter of days. There is no difference between, through the professional test method can distinguish completely.


Parameters of Synthetic Rough Uncut Diamond


HPHT Lab Grown Diamonds Details
Brand NameHenan Yuda Crystal
NameRough Uncut Diamonds
ColorD-F
ClarityVVS-SI
Carat Weight3.0-8.0 carat
CutUncut
TechnologyHPHT
Diamond ShapeRound
ApplicationFor Jewellery
Place Of OriginZhengzhou,Henan,China
Delivery Time1 - 15 Working Days Base on Order Quantity
Payment Terms100% Payment In Advance
Payment MethodsT/T, PayPal, Western Union, Bank Transfer
Shipping waySF Express, DHL, FedEx, UPS, EMS, TNT etc
M.O.QNegotiable
Diamond TypeSynthetic(lab created)
LocationZhengzhou,Henan,China
Fire Dispersion0.044(Same as Natural Diamond)
Brilliance Refraction Index2.42(Same as Natural Diamond)
Relative Density3.52(Same as Natural Diamond)
Chemical CompositionCarbon(Same as Natural Diamond)
Moh's Hardness10(Same as Natural Diamond)

Synthetic Rough Uncut Diamond Introduction


Natural diamonds are created by nature, the result of billions of years of high temperature and pressure. Laboratory of rough diamond is produced in the laboratory, usually need a couple of weeks. Both on the chemistry of the difference is the same.

So how do you distinguish between rough laboratory diamond and natural diamond?

Synthetic diamond single crystal or polycrystalline. Single crystal gravel can be used for applications with special requirements. The easily recognized cubic or cubic octahedral shape reflects the characteristic crystal structure of diamond.

Unprocessed laboratory production of diamond and natural diamond had no obvious difference. Even professional gemologists need special equipment to identify them. By magnifying, professionals will be able to recognize in the lab, growth and production of diamond inclusions nuances.


The Difference Between Lab Diamond And Natural Diamond
PropertiesEarth MinedLab Created
Guaranteed Conflict-FreeNoYes
Hardness (MOHS)1010
SP3 Carbon Diamond Bonds (%)100%100%
Internal Crystal StructureFace-Centered CubicFace-Centered Cubic
Hardness Comparable2.422.42
Relative Diversity3.523.52
Color Diffusion0.0440.044
ColorVarious GradesK to D grades
Price$$$$$$$$

Synthetic Rough Uncut Diamond Details


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