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VVS Rough White Lab Diamond Big HPHT Synthetic 2 Carat Man Made Diamond

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VVS Rough White Lab Diamond Big HPHT Synthetic 2 Carat Man Made Diamond

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 : HPHT Lab Grown Diamonds

Brand : Yuda Crystal

Grade : High

Assortment : Good

Color : DEF

Clarity : VVS VS SI

Carat Weight : 1.0-18.0ct

Cut : Uncut

Technology : HPHT

Shape : Rough, Raw

Usage : For Cutting Lab Grown 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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Yuda Crystal VVS Rough Lab Grown White Big Size Synthetic HPHT Man Made Diamonds

Synthetic HPHT Man Made Diamonds Description

Synthetic diamond is a kind of imitation of natural mineral, which 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 are produced in the laboratory in several ways. Manufacturing them requires expensive equipment and high-quality raw materials.
Several technologies are being used to produce laboratory grown diamonds.
The first method is called HPHT or thermogravimetry (temperature and pressure). The pressure diamonds produced in this way are relatively cheap because of the low cost. The bottom line is to heat (1500 degrees) carbon at high pressure (50000 – 70000 environments) with the help of catalyst metals.
CVD is a chemical vapor deposition method. CVD diamond grown by this method is used in optical and electronic fields. Hydrocarbon gas (methane) is deposited on silicon wafer by heating (3100 degrees) or microwave radiation. The film thickness is 2-3 mm.
Explosive fusion. Graphite produces an artificial replica under the high pressure of an explosive explosion.
Ultrasonic cavitation. Under normal conditions, graphite suspension was added into organic solvent, and artificial minerals were grown under ultrasonic cavitation.
High pressure and high temperature
Chemical vapor deposition
At present, the first two methods are the most popular.

Parameters of Synthetic HPHT Man Made Diamonds

Synthetic HPHT Man Made Diamonds Details
Brand Name Yuda Crystal
Name Rough Lab Grown Diamonds
Diamond Color D-F
Diamond Clarity VVS-SI
Diamond Carat Weight 1ct- 18ct
Diamond Cut Uncut
Technology HPHT
Size 5.0-20.0mm
Shape Raw
Application For Cutting Lab Grown Loose Diamonds
Place Of Origin Zhengzhou, China
Delivery Time 1 - 15 Working Days Base on Order Quantity
Payment Terms 100% Payment In Advance
Payment Methods T/T, PayPal, Western Union, Bank Transfer
Shipping way DHL, FedEx, SF Express, UPS, EMS, TNT etc
M.O.Q Negotiable
Diamond Type Synthetic(lab created)
Location Zhengzhou, China
Treatments Applied None
Fire Dispersion 0.044(Same as Natural Diamond)
Brilliance Refraction Index 2.42(Same as Natural Diamond)
Relative Density 3.52(Same as Natural Diamond)
Chemical Composition Carbon(Same as Natural Diamond)
Moh's Hardness 10(Same as Natural Diamond)

Synthetic HPHT Man Made 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
Properties Earth Mined Lab Created
Guaranteed Conflict-Free No Yes
Hardness (MOHS) 10 10
SP3 Carbon Diamond Bonds (%) 100% 100%
Internal Crystal Structure Face-Centered Cubic Face-Centered Cubic
Hardness Comparable 2.42 2.42
Relative Diversity 3.52 3.52
Color Diffusion 0.044 0.044
Color Various Grades K to D grades
Price $$$$$ $$$

Synthetic HPHT Man Made Diamonds Details

VVS Rough White Lab Diamond Big HPHT Synthetic 2 Carat Man Made Diamond


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