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Fancy Cut Pear Polished Diamond Certified Lab Grown Diamonds For Ring

Categories Certified Lab Grown Diamonds
Brand Name: Yuda Crystal
Model Number: RBC
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
Packaging Details: Carton box
Product Name :: Fancy Cut Lab Diamonds
Color: DEF
Clarity: VVS VS SI
Carat Weight: 1-10ct
Technology: HPHT
Usage: For Cutting Lab Grown Diamonds
Payment Mode: T/T, Bank Transfer, PayPal, Western Union
Delivery time: 1-7 Working Days Depends On Quantity
Courier: DHL, FedEx, UPS, TNT, EMS etc
Packaging: As Export Standard
Hardness: Moh's 10 Scale
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Fancy Cut Pear Polished Diamond Certified Lab Grown Diamonds For Ring

Fancy Cut Pear Polished Diamond Certified Lab Grown Diamonds for Ring


Lab Grown Diamonds Description


While natural diamonds take tens or even hundreds of millions of years to form deep in the Earth, lab grown diamonds can take just a few weeks to form in a laboratory, drastically reducing manufacturing time. At present, there are two main ways to make cultured diamonds.
One is high pressure and high temperature. During diamond cultivation, the pure toner is compressed into a growth capsule, which is then placed in a culture chamber, day after day, at a pressure of 5-6 gpa and extremely high temperatures (up to 1,300-1,600 °C). Eventually the carbon atoms join together to form a diamond crystal.
The other is chemical vapor deposition. Breeding process of chemical vapor deposition method is a diamond chip to be placed in a vacuum box, and then in the chamber filled with a mixture of hydrogen and methane gas, the gas provides a carbon atom, under the pressure of certain heating, until the gasification of carbon atoms on the thin layers and layers of sedimentary, like rain, forming uniform diamond coating.


Characteristics Of Lab Grown Diamonds


The Difference Between Lab Diamond And Natural Diamond
AttributeLab Grown DiamondsNatural diamondDistinction
Chemical compositionC(carbon)C(carbon)No
Refractive index2.422.42No
Relative density3.523.52No
Dispersion0.0440.044No
Hardness value90 GPA90 GPANo
Thermal conductivity2*103 W/M/K2*103 W/M/KNo
Thermal property0.8*10-6 K0.8*10-6 KNo
Light transmittanceDEEP UV TO FAR TRDEEP UV TO FAR TRNo

Resistivity

1016 OHM-CM

1016 OHM-CM

No

Compressibility

8.3*10-13 M2/N

8.3*10-13 M2/N

No


From a scientific point of view, lab grown diamonds are exactly the same as natural diamonds, the only difference being where they are formed.


Prospects And Advantages Of Lab Grown Diamonds


Currently on the one hand, the decline in global production of natural diamond, synthetic diamond on the other hand, the demand for superhard materials continue to increase, either from the perspective of the demand of industrial demand or jewellery industry point of view, the perfect replacement for lab grown diamonds are natural diamonds, and the current overseas natural diamond giant in artificial diamond products. Therefore, the development prospect of the diamond industry is very good.

Cultured and natural diamonds, by contrast, are crystals made of pure carbon that have identical physical, chemical and optical properties and look the same on the outside. Under the condition of the same quality, it also has the advantages of cost-effective and sustainable development, which is very in line with the personalized needs of the new generation of consumers to enjoy their own light luxury, greatly reducing the purchase threshold of consumers, so that the cultivation of diamonds has gained great popularity.


Lab Grown Diamonds Picture


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