5mm To 8mm 1.5 Carat VS SI HPHT Rough Diamond 2 Carat White Diamond

Brand Name:YUDA CRYSTAL
Certification:None
Model Number:YD-A+
Minimum Order Quantity:Negotiate
Delivery Time:1-15 Working Days Depends On Quantity
Payment Terms:100% Payment In Advance
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Location: Zhengzhou Henan China
Address: ROOM 1524, 15TH FLOOR, NO.56 ZIJINGSHAN ROAD, GUANCHENG DISTRICT, ZHENGZHOU, HENAN, CHINA
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1.5 Carat To 2.0 Carat White Shade VS SI Purity HPHT Rough Diamond For Making Def Color Lab Grown Loose Diamonds


Lab Grown Rough Diamonds Description


Diamond grown in laboratory is usually produced by chemical vapor deposition (CVD) or high pressure high temperature (HPHT).

High purity high temperature heat treatment (HPHT), which has been used since 1950s, places a pure solid carbon source under high pressure and high temperature. In the presence of catalyst, the carbon heated under pressure crystallizes into diamond. HPHT is sometimes used to improve the color of mined or laboratory grown diamonds.

Laboratory grown diamonds are man-made, like diamonds crystals.The The manufacturing process work replicates the pressure and temperature of the natural diamond production environment. By adding a catalyst to the carbon and placing the mixture in a high-voltage battery, the formation process is initiated by a forced chemical reaction. The mixture was then cooled and washed with acid to produce laboratory grown diamonds.

The quality of diamonds produced in the laboratory can range from lower than natural diamonds to higher than natural diamonds, depending on the technology and individual manufacturing processes.


Parameters of Lab Grown Rough Diamonds

HPHT Lab Grown Diamonds Details
Brand NameYuda Crystal
NameRough Lab Grown Diamonds
Diamond ColorD-F
Diamond ClarityVS-SI
Diamond Carat Weight1.5-2.0 carat
Diamond CutUncut
TechnologyHPHT
Size5.0-8.0mm
ShapeRaw
ApplicationFor Cutting Lab Grown Loose Diamonds
Place Of OriginZhengzhou, China
Delivery Time1 - 15 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)

Lab Grown Rough Diamonds Introduction


Natural diamonds are created by nature and are the result of high temperature and pressure formed over billions of years. The Lab Grown Diamonds are produced in the laboratory, usually in a few weeks. The chemical difference between the two is same.

So how do you distinguish between Lab Grown Diamonds and natural diamonds?

There is no obvious difference between the Lab Grown Diamonds and natural diamonds. Even professional gemologists need special equipment to identify them. By zooming in, professionals will be able to discern subtle contrasts in diamond inclusions grown and mined in the laboratory.


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$$$$$$$$

Lab Grown Rough Diamonds Details


China 5mm To 8mm 1.5 Carat VS SI HPHT Rough Diamond 2 Carat White Diamond supplier

5mm To 8mm 1.5 Carat VS SI HPHT Rough Diamond 2 Carat White Diamond

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