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Uncut 2 Carat 3 Carat Rough Lab Grown Diamonds For 1 Carat Diamond

Minimum Order Quantity : Negotiate Price : Negotiate
Packaging Details : Carton box Delivery Time : 3-7 working days
Payment Terms : T/T, Western Union Supply Ability : 50000carats per month
Place of Origin: Zhengzhou, China Brand Name: YUDA CRYSTAL
Certification: None Model Number: YD-A+

Detail Information

Product Name: Rough Lab Grown Diamonds Brand: Yuda Crystal
Grade: High Assortment: Good
Color: D E F Clarity: VVS VS SI
Carat Weight: 2.00-3.00ct Cut: Uncut
Technology: HPHT Shape: Rough, Raw
Usage: Cutting Carat Lab Grown Polished Diamonds Component: Carbon
Hardness: Moh's 10 Scale Available Type: HPHT, CVD
Place Of Origin: Zhengzhou, China Payment Terms: 100% Payment In Advance
Payment Mode: T/T, Bank Transfer, PayPal, Western Union Delivery Time: 1-15 Working Days Depends On Quantity
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
High Light:

2 Carat Rough Lab Grown Diamonds


Uncut Rough Lab Grown Diamonds


Yuda Crystal 1 Carat Diamond

Product Description

Uncut 2 Carat 3 Carat Rough Lab Grown Diamonds For 1 Carat Diamond


Rough Lab Grown Diamonds Description


What is a lab-grown diamond?
Lab diamonds are real diamonds. Lab-grown diamonds after polishing and cutting are no different from natural diamonds.
The environment in which diamonds grow in the laboratory is different from that of natural diamonds. Natural diamonds come from the earth, and laboratory-grown diamonds do not grow on the earth, but grow in the laboratory.
Similarly, laboratory-grown diamonds are as hard as natural diamonds. Both lab diamonds and natural diamonds can emit the same light, have the same color and clarity, and can have the same size and shape. 
Carbon is the main element of natural and laboratory-grown diamonds. The only chemical difference between laboratory-grown diamonds and natural diamonds is that most natural diamonds contain trace amounts of nitrogen, while laboratory diamonds do not. The lack of nitrogen is a way for gemologists to identify lab diamonds from natural diamonds.
Beginning in the 1930s, scientists discovered that certain types of diamonds have similar characteristics, so they divided diamonds into two categories based on the difference in transparency under ultraviolet radiation: Type I and Type II. Subsequently, the scientists further divided type I and type II diamonds into two sub-categories: type Ia, type Ib, type IIa and type IIb through the arrangement of carbon atoms and impurity atoms in the diamond structure.

By 1959, scientists discovered that the main chemical impurity in diamonds was nitrogen, which is contained in type I diamonds, but not contained in type II diamonds. Using infrared spectroscopy can quickly determine the type of diamond.

Most natural diamonds are type Ia. Type Ia diamonds contain abundant nitrogen in clusters or pairs. Type Ib diamonds contain unpaired or clustered scattered nitrogen atoms, which are rare in natural diamonds. Type IIa diamond contains almost no nitrogen. The IIb diamond contains boron atoms. Most synthetic diamonds are of type Ib, IIa and IIb.


Parameters of Rough Lab Grown Diamonds


Rough Lab Grown Diamonds Details
Brand Name Yuda Crystal
Name Rough Lab Grown Diamonds
Diamond Color D-F
Diamond Clarity VVS-SI
Diamond Carat Weight 2.0carat - 3.0carat
Diamond Cut Uncut
Technology HPHT
Size 5.0-8.0mm
Shape Raw
Application For Cutting Lab Grown Loose Diamonds
Place Of Origin Zhengzhou, China
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
Treatments Applied None
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)


Rough Lab Grown Diamonds Introduction


Lab Grown Diamond is a crystal diamond made of diamond crystals with a diameter of 10 to 30 nanometers. In the early stage, man-made diamonds showed a light color of sugar due to the nitrogen atoms in the air entering into the diamond crystal. Through the improved production method of scientists, there is no difference between man-made diamonds and natural diamonds in appearance now.


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 $$$$$ $$$


Rough Lab Grown Diamonds Details


Uncut 2 Carat 3 Carat Rough Lab Grown Diamonds For 1 Carat Diamond 0

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