3-4.0ct Uncut HPHT Rough Lab Grown Diamonds DEF Color VVS VS SI
Clarity For Sale
Synthetic Rough Uncut Diamond Description
Synthetic diamond is mainly produced by chemical vapor deposition
(CVD) or high pressure and high temperature (HPHT), and its quality
is similar to that of natural diamond. The molecular structure of
the synthetic diamond is not the full octahedral structure of
natural diamond, but a complex structure, phosphorescence is
produced. With the maturity of artificial diamond production
technology, its cost is lower, and can produce a variety of colors
of diamonds and jewelry market best-selling.
Scientists have put natural diamond moved to the laboratory
environment, high pressure high temperature (HPHT) was used to
simulate the diamond growth environment, the size of the diamond
gravel as seeds to grow.
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 billions of years ago, whereas
synthetic diamonds can only form in a matter of days. There is no
difference between the two, through professional testing methods
can be distinguished.
The molecular structure of the synthetic diamond is not the full
octahedral structure of natural diamond, but a complex structure,
phosphorescence is produced. With the maturity of artificial
diamond production technology, its cost is lower, and can produce a
variety of colors of diamonds and jewelry market best-selling.
Parameters of Synthetic Rough Uncut Diamond
| HPHT Lab Grown Diamonds Details |
| Brand Name | Henan Yuda Crystal |
| Diamond Name | Rough Uncut Diamonds |
| Diamond Color | D-F |
| Diamond Clarity | VVS-SI |
| Carat Weight | 3.0-4.0 carat |
| Diamond 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) |
From a scientific point of view, synthetic diamond and natural
diamond exactly the same, the only difference is that the formation
of their location.
Laboratory developed in every aspect is a real diamond, diamond is
the same as the mine drill of chemistry, physics, atomic, optical,
and all properties; Diamond was generated and cultivated by
artificial method to simulate the crystal characteristics of ore
drill. Laboratory-grown diamonds have five advantages. Technology:
(1) innovation laboratory training under the action of the diamond
is in a high-tech instrument, simulated mine of natural
environment, generate diamond environment needed for the drill.
Lab-grown diamonds are created by the best scientists, professional
engineers and skilled technicians, and are the crystallization of
the wisdom of human science and technology. (2) excellent quality:
laboratory cultivation idea of diamond on the premise of
environmental protection, has not given up the pursuit of the
quality and value. Adopt the same 4C grading standard as mine
diamond, and have the appraisal certificate issued by the
international third party diamond appraisal organization. (3) green
earth: cultivating diamond is the most outstanding scientists,
professional engineers and skilled technical personnel to create,
only the use of renewable energy, such as power and solar energy,
and use the greenhouse gas methane as a source of carbon,
destructive rather than a large mechanical mining. Experts predict
that the most important invention of this century will be lab-grown
diamonds. Cheap lab-grown diamonds could replace silicon as a
semiconductor, bringing human technology to another world. ⑤ Price
advantage: lab-grown diamonds are more popular with the younger
generation than those grown in mines. Came up with the lab to
foster diamond gave consumers a new choice. A more progressive
young people when choosing diamond jewelry and wedding ring, will
consider laboratory cultivation of diamonds.
| 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 |
| Compressibility | 8.3*10-13 M2/N | 8.3*10-13 M2/N |
| Hardness value | 90 GPA | 90 GPA |
| 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 | $$$$$ | $$$ |
Synthetic Rough Uncut Diamond Details
