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7mm*7mm Single Crystal CVD Lab Grown Diamonds Colorless

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7mm*7mm Single Crystal CVD Lab Grown Diamonds Colorless

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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 : CVD Lab Grown Diamonds

Brand : Yuda Crystal

Grade : High

Crystal Orientation : 100 110 111

Type : Optical Grade

Thickness : 0.5mm

Size : 7mm*7mm

Shape : Square, Rectangular, Can Customize

Usage : Making Tools, As Seed

Component : Carbon

Hardness : Moh's 10 Scale

Available Type : CVD

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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7mm*7mm Square Shape Optical Grade Single Crystal CVD Lab Grown Diamonds

 

Single Crystal CVD Lab Grown Diamonds Description

 

Chemical vapor deposition (CVD) is a common method for making of thin film materials. It uses the chemical reaction of vapor precursor under specific conditions to deposit the required thin film materials on a specific substrate. In the preparation of single crystal diamond materials, methane and hydrogen are usually used as precursors to grow single crystal diamond by gas phase epitaxy at high temperature (about 1000 ℃), atmospheric pressure (1 ATM) or low pressure. The single crystal diamond substrates used can be natural diamond, HPHT diamond or CVD diamond.
The appearance and composition of CVD diamond are almost the same as that of natural diamond, and the physical and chemical properties are not very different. Under the naked eye, there is no difference between CVD diamond and natural diamond. However, the main reason why CVD diamond is valued is that it is "pure". Compared with natural diamond, CVD diamond is cleaner and has almost no impurities.

 

Parameters of Single Crystal CVD Lab Grown Diamonds

 

Single Crystal CVD Lab Grown Diamonds Details
Brand Name Yuda Crystal
Name Single Crystal CVD Lab Grown Diamonds
Diamond Color White, Colorless or Light brown
Grade Optical Grade Diamond
Surface As Grown Or Laser Cut
Thickness 0.5mm
Edge Laser Cut or Polished
Size 7*7mm, can customize
Shape Can customize
Application For Making Tools
Crystal Orientation 100 110 111
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
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)

 

Single Crystal CVD Lab Grown 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
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 $$$$$ $$$

 

Single Crystal CVD Lab Grown Diamonds Details

7mm*7mm Single Crystal CVD Lab Grown Diamonds Colorless


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7*7 CVD Lab Grown Diamonds

      

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