Specifications
Brand Name :
YUDA CRYSTAL
Model Number :
A+ A
Certification :
None
Place of Origin :
Zhengzhou,Henan,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 :
Synthetic Rough Uncut Diamond
Brand :
Yuda Crystal
Grade :
High
Diamond Color :
DEF
Diamond Clarity :
VVS VS
Diamond Carat Weight :
3-4ct
Diamond Cut :
Uncut
Technology :
HPHT
Diamond Shape :
Round
Usage :
For Ring
Component :
Carbon
Hardness :
Moh's 10 Scale
Available Type :
HPHT
Place Of Origin :
Zhengzhou,Henan,China
Payment Mode :
T/T, Bank Transfer, PayPal, Western Union
Courier :
FedEx, DHL, UPS, TNT, EMS etc
Customization :
Welcome
Polish :
None
Sample Order :
Welcome
Treatments Applied :
None
Description

3.0-4.0ct DEF VVS VS No Grey No Blue HPHT Lab Grown Rough Diamonds For Ring

Lab Grown Rough Diamond Description

Synthetic diamonds are mainly produced by chemical vapor deposition (CVD) or high pressure and high temperature (HPHT) methods, and their quality is similar to that of natural diamonds. Artificial diamond is often used to processing priceless jewelry, it can be cut into various shapes, and polishing for many different kinds of diamond products.

In the past ten years, manufacture diamond lab has received the widespread attention, because it allows a lot of people think are difficult to before the new diamond applications. Synthetic diamond is a kind of environmental protection product, 100% without conflict.

With the progress of human technology, scientists have to transfer natural diamond to the laboratory environment, the use of high pressure high temperature (HPHT) simulation of the diamond growth environment, the size of the diamond gravel as seeds to grow. Nowadays, more and more companies are engaged in the manufacture of artificial diamonds. Many countries and regions are in production for jewellery and industrial use of artificial diamond.

Since diamonds can be grown artificially, can they be mixed with natural diamonds?

By measurement of the use of professional equipment, the color of the diamond, crystal shape, crystal surface characteristics, internal inclusion and, comparing the absorption spectrum and ultraviolet fluorescence characteristics can be fully distinguish artificial cultivation of diamond and natural diamond. After all, natural diamond crystals formed in the billions of years ago, but artificial diamond can only be formed in a few days. There is no difference between the two, through professional testing methods can be distinguished.

Parameters of Lab Grown Rough Diamond

HPHT Lab Grown Diamonds Details
Brand Name Henan Yuda Crystal
Name Rough Uncut Diamonds
Color D-F
Clarity VVS VS
Carat Weight 3.0-4.0 carat
Cut Uncut
Technology HPHT
Diamond Shape Round
Application For Jewellery
Place Of Origin Zhengzhou,Henan,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 SF Express, DHL, FedEx, UPS, EMS, TNT etc
M.O.Q Negotiable
Diamond Type Synthetic(lab created)
Location Zhengzhou,Henan,China
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 Rough Diamond Introduction

Natural diamonds are created by nature, is the result of the billions of years of high temperature and high pressure formation. Laboratory-grown diamonds are usually produced in a lab for several weeks. Both on the chemistry of the difference is the same.

So how do you distinguish between laboratory cultivation of diamond and natural diamond?

There is no discernible difference between lab-grown diamonds and natural diamonds. Even professional gemologists also need special equipment to identify them. By magnifying, professionals will be able to recognize in the lab, growth and production of diamond inclusions nuances.

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 Rough Diamond Details

4ct DEF Carbon HPHT Lab Grown Rough Diamonds VVS Clarity No Grey For Ring

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4ct DEF Carbon HPHT Lab Grown Rough Diamonds VVS Clarity No Grey For Ring

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Brand Name :
YUDA CRYSTAL
Model Number :
A+ A
Certification :
None
Place of Origin :
Zhengzhou,Henan,China
MOQ :
Negotiate
Price :
Negotiate
Contact Supplier
video
4ct DEF Carbon HPHT Lab Grown Rough Diamonds VVS Clarity No Grey For Ring
4ct DEF Carbon HPHT Lab Grown Rough Diamonds VVS Clarity No Grey For Ring
4ct DEF Carbon HPHT Lab Grown Rough Diamonds VVS Clarity No Grey For Ring
4ct DEF Carbon HPHT Lab Grown Rough Diamonds VVS Clarity No Grey For Ring

Henan Yuda Crystal Co.,Ltd

Verified Supplier
5 Years
henan, zhengzhou
Since 2016
Business Type :
Manufacturer, Distributor/Wholesaler, Agent, Exporter, Seller
Total Annual :
50 Million-200 Million
Employee Number :
10~50
Certification Level :
Verified Supplier
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