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1 Carat 1.5 Carat Lab Grown Certified Diamonds HIJ Color VS SI

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1 Carat 1.5 Carat Lab Grown Certified Diamonds HIJ Color VS SI

Brand Name : YUDA CRYSTAL

Model Number : YD-A+

Certification : IGI

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 Depends On Quantity

Packaging Details : Carton box

Product Name : Certified Lab Grown Diamonds

Brand : Yuda Crystal

Grade : High

Assortment : Good

Color : HIJ

Clarity : VS SI

Carat Weight : 1.0-1.5ct

Cut : Ideal, Excellent, VeryGood, Good

Technology : HPHT

Shape : Round Brilliant Cut

Usage : For Making Lab Diamonds Jewelry ( Rings, Earring, Necklace etc )

Component : Carbon

Hardness : Moh's 10 Scale

Available Type : HPHT

Place Of Origin : Zhengzhou, China

Payment Mode : T/T, Bank Transfer, PayPal, Western Union

Courier : DHL, FedEx, UPS, TNT, EMS etc

Packaging : As Export Standard

Customization : Welcome

Polish : Excellent, VeryGood, Good

Symmetry : Excellent, VeryGood, Good

Sample Order : Welcome

Treatments Applied : None

Enhancement : None

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1 Carat 1.5 Carat H-I-J Color VS Si Clairty Lab Grown Certified Diamonds

Lab Grown Certified Diamonds Description

Diamonds are made of pure carbon in the shape of a tetrahedron. Diamonds are famous all over the world as luxury and precious jewelry. However, it is also the hardest substance in nature, a good heat conductor and an inert substance. These characteristics mean that diamonds can play an important role in some industrial applications, such as metal cutting, drilling, grinding, mining and construction, as well as applications in high-pressure testing and high-performance bearings.

For a long time, people believed that diamonds could only be created under high pressure and high temperature conditions, imitating the formation of natural diamonds. The use of this method to make diamonds is now very common, mainly for the aforementioned industrial applications. However, in the late 1980s, scientists discovered how to use a method called chemical vapor deposition (CVD) to grow diamonds.
Colorless and almost colorless CVD synthetic diamonds are usually type IIa, while only 2% of natural diamonds are type IIa. Type IIa diamonds are characterized by high purity (under a low nitrogen environment), and they exhibit transparency in certain parts of the ultraviolet and infrared spectra. Numerous UV detection instruments on the market can initially detect whether it is a CVD synthetic diamond. Of course, other tests are needed to confirm whether the sample is a CVD-grown diamond or a natural diamond. If the diamond is not Type IIa, it is most likely a natural diamond.

Parameters of Lab Grown Certified Diamonds

Certified Lab Grown Diamonds Details
Brand Name Yuda Crystal
Name Certified Lab Grown Diamonds
Diamond Color HIJ
Diamond Clarity VS-SI
Diamond Carat Weight 1.0-1.5 carat
Diamond Cut Excellent, Very Good,Good
Polish Excellent, Very Good,Good
Symmetry Excellent, Very Good,Good
Technology HPHT
Size 1-1.5carat per pcs
Shape Round
Diamond Enhancement None
Available Type HPHT
Diamond Certificate IGI
Application Jewelry Decorations Rings Earring Necklace
Place Of Origin Zhengzhou, China
Delivery Time 1 - 7 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)

Lab Grown Certified Diamonds Introduction

​Natural diamonds are created by nature and are the result of high temperature and pressure formed over billions of years. The Lab Grown Diamonds are produced in the laboratory, usually in a few weeks. The chemical difference between the two is same.

So how do you distinguish between Lab Grown Diamonds and natural diamonds?

There is no obvious difference between the Lab Grown Diamonds and natural diamonds. Even professional gemologists need special equipment to identify them. By zooming in, professionals will be able to discern subtle contrasts in diamond inclusions grown and mined in the laboratory.

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 $$$$$ $$$

Lab Grown Certified Diamonds Details

1 Carat 1.5 Carat Lab Grown Certified Diamonds HIJ Color VS SI


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