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DEF Certified Lab Grown Diamonds Brilliant Cut White Color Polish Diamond For Ring

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DEF Certified Lab Grown Diamonds Brilliant Cut White Color Polish Diamond For Ring

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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Certified Lab Grown Diamonds Brilliant Cut White Color Polish Diamond for Ring

Lab Grown Diamonds Description

Diamond cultivation is a process of growing small diamonds.

(1) Derived from diamond seeds: in the laboratory, the use of advanced equipment and cutting-edge technology to restore the natural environment, the size of gravel or flake diamonds as seeds, into the culture chamber, to provide atomic structure template for the growth of diamonds;

(2) high temperature and high pressure environment: in the culture chamber, temperature and pressure will rise rapidly, high temperature and high pressure environment more than one hundred miles deep underground avenue, artificial creation of harsh natural diamond formation conditions;

(3) Through the carbon containing nutrients: graphite (C) or methane (CH4) will add the carbon source into the culture chamber, under high temperature and high pressure environment and special treatment, the chemical bond between the carbon atoms in the raw material will break, become free carbon atoms;

(4) Seed cultivation size: The free carbon atoms will be attracted by the nearby carbon atom structure, so they will gradually attach to the diamond seed, and combine with the carbon atoms of the diamond seed to form new chemical bonds, so that the seed will gradually grow up.

Characteristics Of Lab Grown Diamonds

The Difference Between Lab Diamond And Natural Diamond
Attribute Lab Grown Diamonds Natural diamond Distinction
Chemical composition C(carbon) C(carbon) No
Refractive index 2.42 2.42 No
Relative density 3.52 3.52 No
Dispersion 0.044 0.044 No
Hardness value 90 GPA 90 GPA No
Thermal conductivity 2*103 W/M/K 2*103 W/M/K No
Thermal property 0.8*10-6 K 0.8*10-6 K No
Light transmittance DEEP UV TO FAR TR DEEP UV TO FAR TR No

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, cultivated diamonds are exactly the same as natural diamonds, the only difference being where they are formed.

Prospects And Advantages Of Lab Grown Diamonds

In recent years, diamond cultivation in the global diamond market is more and more prosperous, especially the Most mature market in the United States, Eurasia and other regions are also gradually follow. Cultivated diamonds now account for about 10% of the global diamond market, but the market is in short supply, especially for white diamonds of more than one carat. Natural diamond mines will be dried up, the main mineral deposits left more than a decade of life, natural diamond supply on the market will gradually by cultivating diamond are available, so cultivating diamonds have great market space, coupled with the CVD diamond folk USES in the industry, will gradually mature development over the last few years, demand for jewellery diamond 10 ~ one hundred times.

Lab Grown Diamonds Details

DEF Certified Lab Grown Diamonds Brilliant Cut White Color Polish Diamond For Ring


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