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4-5 Carat DEF Color VS VVS1 VVS2 Purity Hpht Lab Made Diamond White For Jewelry

Categories Rough Lab Grown Diamonds
Brand Name: YUDA CRYSTAL
Model Number: YD-A+
Certification: None
Place of Origin: Zhengzhou, China
MOQ: Negotiate
Price: Negotiate
Payment Terms: 100% Payment In Advance
Supply Ability: 50000carats per month
Delivery Time: 1-15 Working Days Depends On Quantity
Packaging Details: Carton box
Product Name: Synthetic White HPHT Rough Diamonds
Brand: Yuda Crystal
Grade: High
Assortment: Good
Color: DEF
Clarity: VVS VS
Carat Weight: 4-5carat
Cut: Uncut
Technology: HPHT
Shape: Round
Usage: For Cutting Lab Grown Polished Diamonds
Component: Carbon
Hardness: Moh's 10 Scale
Available Type: HPHT
Place Of Origin: Zhengzhou, China
Payment Mode: T/T, Bank Transfer, PayPal, Western Union
Courier: DHL, FedEx, UPS, TNT, EMS etc
Packaging: As Export Standard
Customization: Welcome
Polish: None
Symmetry: None
Sample Order: Welcome
Treatments Applied: None
Enhancement: None
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4-5 Carat DEF Color VS VVS1 VVS2 Purity Hpht Lab Made Diamond White For Jewelry

4-5 Carat DEF Color VS VVS1 VVS2 Purity Hpht Lab Made Diamond White Diamond For Jewelry


Description of Synthetic HPHT Diamonds


High temperature and pressure diamond how to grow artificial white HPHT rough diamond?


HPHT is short for High pressure-high Temperature treatment. Its purpose is to change or improve the natural body color of certain types of diamonds to make them more valuable.


HPHT stands for high pressure and high temperature method, one of the main methods used in laboratories to make diamonds. The diamond growth process involves exposing carbon to extreme temperatures and pressures that mimic the extreme heat and pressure conditions in which natural diamonds form deep inside the Earth.


The diamond seed is placed under specially engineered pressure conditions. Heat the growth chamber to 1300-1600 °C at a pressure of more than 870,000 pounds per square inch. The molten metal breaks down high-purity carbon sources. Carbon atoms are deposited on a small diamond seed, and the synthetic diamond begins to grow. This lab-made crystal is then cut by a diamond cutter and grinder.


Parameters of Lab Made White Diamonds


Synthetic White HPHT Rough Diamonds Details
Brand NameYuda Crystal
NameSynthetic White HPHT Rough Diamonds
Diamond ColorD-E-F
Diamond ClarityVVS-VS
Diamond Carat Weight4.0 - 5.0 carat
Diamond CutUncut
TechnologyHPHT
Size5.0-15.0mm
ShapeRaw
ApplicationFor Cutting Lab Grown Loose Diamonds
Place Of OriginZhengzhou, China
Delivery Time1 - 7 Working Days Base on Order Quantity
Payment Terms100% Payment In Advance
Payment MethodsT/T, PayPal, Western Union, Bank Transfer
Shipping wayDHL, FedEx, SF Express, UPS, EMS, TNT etc
M.O.QNegotiable
Diamond TypeSynthetic(lab created)
LocationZhengzhou, China
Treatments AppliedNone
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 White HPHT Rough Diamonds Introduction


Natural diamonds are a gift from nature, while "cultured diamonds" in the laboratory are artificially created.

So how do you tell the difference between a diamond that hasn't been grown in a lab and a natural diamond?

There is no clear difference between a diamond that has not been grown in a laboratory and a natural diamond. Even professional gemologists need special equipment to identify them. By magnifying, professionals will be able to discern subtle differences in diamond inclusions that have been grown and mined in the lab.


The Difference Between Lab Diamonds And Natural Diamonds
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 White HPHT Rough Diamonds Details


Quality 4-5 Carat DEF Color VS VVS1 VVS2 Purity Hpht Lab Made Diamond White For Jewelry for sale
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