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Fancy Dark Brown Greenish Yellow Rough Diamonds 1 Carat Man Made

Categories Lab Grown Colored 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: 1-7 Working Days Depends On Quantity
Packaging Details: Carton box
Product Name: Colored Lab Grown Rough Diamonds
Brand: Yuda Crystal
Grade: High
Assortment: Good
Color: Yellow
Clarity: VVS VS SI
Carat Weight: 0.80-1.5ct
Cut: Uncut
Technology: HPHT
Shape: Rough, Raw
Usage: For Cutting Fancy Color Lab 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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Fancy Dark Brown Greenish Yellow Rough Diamonds 1 Carat Man Made

1 Carat Fancy Dark Brown Greenish Yellow Colored Lab Grown Rough Diamonds Vs Si Clarity


Colored Lab Grown Rough Diamonds Description


Laboratory grown diamonds are not mined from the earth. Laboratory grown diamonds are not fakes, not cubic zircons, not crystals. They have the same chemical composition as natural diamonds. Laboratory diamonds are made in the laboratory. It starts with a small chemical called diamond seed. Then it's exposed to high temperatures, plus a layer of carbon coating, all of which are designed to help laboratory made diamonds crystallize as they grow.
Diamonds grown in the laboratory have the same optical and chemical composition as diamonds produced on earth.
Although scientists have been using this method since Mid-1900, the diamonds originally made are pumpkin colored. Only in recent years have scientists found a way to make white diamonds. There are two main ways to make laboratory grown diamonds. One is to use ultra-high pressure and high temperature to simulate the natural diamond growth environment and dissolve carbon into diamond seeds; Another method is to put the diamond seeds into a special diamond microwave oven, inject carbon gas into the microwave oven and stick it on the seeds to slow down the growth of the seeds.


Parameters of Colored Lab Grown Rough Diamonds


Lab Made Fancy Colored Diamonds Details
Brand NameYuda Crystal
NameLab Made Fancy Colored Diamonds
Diamond ColorYellow, Greenish, Brown
Diamond ClarityVVS-SI
Diamond Carat Weight0.8-1.0 carat
Diamond CutUncut
TechnologyHPHT
Size5.0-7.0mm
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)

Colored 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 Rough 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 Rough Lab Grown Diamonds and natural diamonds?

There is no obvious difference between the Rough 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$$$$$$$$

Colored Lab Grown Rough Diamonds Details


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