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3ct 4ct HPHT Lab Grown Diamonds DEF Color VVS VS Clarity For Jewelry

Minimum Order Quantity : Negotiate Price : Negotiate
Packaging Details : Carton box Delivery Time : 1-7 working days
Payment Terms : T/T, Western Union, PayPal, Bank Transfer Supply Ability : 50000carats per month
Place of Origin: Zhengzhou, China Brand Name: Yuda Crystal
Certification: None Model Number: RBC

Detail Information

Product Name :: HPHT Lab Grown Diamonds Color: DEFGH
Clarity: VVS VS SI Carat Weight: 3-4ct
Technology: HPHT Usage: For Cutting Lab Grown Diamonds
Payment Terms: 100% Payment In Advance 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
High Light:

HPHT Lab Grown Diamonds 4ct


HPHT Lab Grown Diamonds 3ct


3ct hpht rough diamond

Product Description

3ct 4ct HPHT Lab Grown Diamonds DEF Color VVS VS Clarity For Jewelry


Lab Created Diamonds Description


Lab created diamond in 1952, by the United States federal Silicon Carbide company scientist William Everso using chemical vapor deposition method for the first time discovered lab created diamonds, and in 1954 after general Electric "super pressure project" director Dr. Hall led a team, in the field of artificial lab created diamonds made further development, It has made great contributions to lab created diamonds for the later generations, and the birth of the first "high temperature and high pressure method to lab created diamonds", and in 1970, the United States General Electric successfully cultivated the first big diamond of gem level through improved technology.

After years of development, the technology of lab created diamond is becoming more and more sophisticated, so artificially lab created diamonds are gradually coming to the market. Moreover, in normal life, lab created diamonds and naturally formed diamonds are almost the same in appearance, color and size. If you do not take some professional instruments for analysis and detection, the naked eye can not be identified. Even some people in the diamond color and quality is far, higher than the natural diamond.

For growing diamonds, distinguishing natural diamonds can only be detected in special ways, such as under the irradiation of a cathode light meter. Lab created diamonds have a geometric growth pattern while natural diamonds have a ring pattern. And since 2006, thanks to the popularity of artificial diamond technology. GIA and other jewelry institutions also began to issue certificates for lab created diamonds, the main purpose of which is to prevent some illegal merchants in the society from taking advantage of lab created diamonds as natural diamonds to make profits by selling substandard diamonds as advanced ones, thus damaging the market.


Parameters Of Lab Created Diamonds


Product Name Synthetic (Lab created) diamond
Material Lab-grown
Color D-H
Used Jewelry (necklace,ring)
Application For Cutting Lab Grown Loose Diamonds
Place Of Origin Zhengzhou, China


Characteristics Of Lab Created Diamonds


Lab-grown diamonds are chemically, optically and structurally identical to mined diamonds. What does that mean?


The Difference Between Lab Diamond And Natural Diamond
Attribute Lab Created 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


1016 OHM-CM

1016 OHM-CM



8.3*10-13 M2/N

8.3*10-13 M2/N



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


Lab Created Diamonds Details


3ct 4ct HPHT Lab Grown Diamonds DEF Color VVS VS Clarity For Jewelry 0

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