1.0ct 2.0ct Gia Certified Lab Grown Diamonds For Jewellery

Brand Name:Yuda Crystal
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Model Number:RBC
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1.0ct 2.0ct Gia Certified Lab Grown Diamonds For Jewellery​

Gia Certified Lab Grown Diamonds Shape


Round / Princess / Asscher / Pear / Oval// Emerald / Rectangle / Octangle / Radiant / Heart / Cushion / Marquise etc... (Customize
are welcome)

Characteristics Of Gia Certified Lab Grown Diamonds

There are two large-scale diamond deposition methods on the market: chemical vapor deposition, CVD and high pressure high temperature, high temperature high pressure, HPHT.
​(1) High temperature and high pressure (HPHT) diamond cultivation technology: the first generation diamond growth technology, which completely simulates the growth process of natural diamond, reproduces the reaction of ground carbon layer, and converts graphite into diamond grown in the laboratory;

(2) Chemical vapor deposition (CVD) diamond culture technology: The diamond is grown in a high temperature and low pressure environment using microwave, using sand particles or small pieces to the size of diamond as seeds. The carbon atoms are added in the plasma reactor to 5537 ℃, so that the atoms can attach to the thin diamond crystals one by one. The "growth" gradually becomes a large diamond cultivated in the laboratory.


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

Lab Grown Diamonds Details

China 1.0ct 2.0ct Gia Certified Lab Grown Diamonds For Jewellery supplier

1.0ct 2.0ct Gia Certified Lab Grown Diamonds For Jewellery

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