Henan Yuda Crystal Co.,Ltd
| 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 |
| Brand Name | YUDA CRYSTAL |
| Model Number | A+ A |
| Certification | None |
| Place of Origin | Zhengzhou,Henan,China |
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Product Specification
| 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 |
| Brand Name | YUDA CRYSTAL | Model Number | A+ A |
| Certification | None | Place of Origin | Zhengzhou,Henan,China |
| High Light | No Grey HPHT Lab Grown Diamonds ，VVS Clarity Lab Grown Diamonds ，Carbon Lab Grown Rough Diamonds | ||
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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Exporter,Seller
Year Established:
2016
Total Annual:
50 Million-200 Million
Employee Number:
10~50
Ecer Certification：
Verified Supplier
Yuda Crystal is one of the world's leading lab grown diamond companies, mainly active in fields: Gem quality lab grown rough(Including HPHT and CVD) diamonds manufacturing and wholesale, lab grown polish diamonds manufacturing and wholesale, Industrial grade HPHT and CVD lab grown diamonds ... Yuda Crystal is one of the world's leading lab grown diamond companies, mainly active in fields: Gem quality lab grown rough(Including HPHT and CVD) diamonds manufacturing and wholesale, lab grown polish diamonds manufacturing and wholesale, Industrial grade HPHT and CVD lab grown diamonds ...
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