1carat Round Brilliant Cut HPHT IGI Certified Lab Grown Diamonds
Certified Lab Grown Diamonds Description
Diamonds are famous all over the world as luxury and precious
jewelry. Lab Grown Diamonds grow above the earth in a diamond lab
and unlike mined diamonds; there is no excavation and mining hence
keeping nature and natural resources intact. This contributes in
green environments.Laboratory diamonds are a type of diamond
quality obtained by chemical vapor deposition (CVD) or high
temperature and high pressure (HPHT).
HPHT is the primary method used to grow rough diamonds in a
laboratory. At present, the world's popular high-temperature and
high-pressure synthetic diamond equipment mainly includes two side
top, six side top and bar split sphere or improved split sphere.
CVD diamonds are grown in a vacuum chamber filled with a mixture of
hydrocarbons (such as methane). An energy source (such as a
microwave beam) breaks down the gas molecules, and the carbon atoms
are adsorbed down to the flat diamond seeding disk at a lower
temperature
In order to make CVD diamond grow smoothly, methane with diamond
structure is often used as carbon source. Methane can be regarded
as a monatomic diamond pressed out by hydrogen. The quality of lab
diamonds is almost the same as that of natural diamond, which is
hard to distinguish with the naked eye.
For consumers, a professional diamond certificate can clearly show
the detailed characteristics of the diamond. So that people can
clearly know the quality of the diamonds they buy.
Parameters of Certified Lab Grown Diamonds
| Certified Lab Grown Diamonds Details |
| Brand Name | Yuda Crystal |
| Name | Certified Lab Grown Diamonds |
| Diamond Color | DEF, GH, IJ |
| Diamond Clarity | VVS-SI |
| Diamond Carat Weight | 1.0-1.5carat |
| 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) |
Certified Lab Grown 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 | $$$$$ | $$$ |
Certified Lab Grown Diamonds Details
