Природный G цвет VVS чистота 1 карат Алмазная полированная свободная Бриллиантовая белая круглая вырезанная белая Алмазная посылка
21 878,68 ₽ - 27 348,35 ₽
Дешевые 2 22 карат G VS 1 белый полированный бриллиант CVd лабораторный Выращенный алмаз для продажи
- Категория: >>>
- Поставщик: Luoyang Qiming Superhard Material Co. Ltd.
Сохранить в закладки 1600914492938:
Описание и отзывы
Характеристики
Lab Grown Diamond are diamonds manufactured in a laboratory, as opposed to diamonds mined from the Earth. The gemological and industrial uses of diamond have created a large demand for rough stones. This demand has been satisfied in large part by synthetic diamonds, which have been manufactured by various processes for more than half a century. However, in recent years it has become possible to produce gem-quality synthetic diamonds of significant size.
HPHT Loose Lab Grown Diamonds | ||||||||
Certificate Type | GIA IGI NGTC | |||||||
Color | White DEF | |||||||
Clarity | VVS--VS--SI | |||||||
Carat Weight | 0.2~12ct | |||||||
Hardness | 10 | |||||||
Lab Grown Diamond VS Nature Diamond | ||||||||
Item | Lab Diamond | Natural Diamond | Difference | |||||
composition | Carbon | Carbon | NO | |||||
Refractive density | 2.42 | 2.42 | NO | |||||
Relative density | 3.52 | 3.52 | NO | |||||
Dispersion | 0.044 | 0.044 | NO | |||||
Hardness | 90Gpa | 90Gpa | NO | |||||
Thermal conductivity | 0.8*10-6k | 0.8*10-6k | NO | |||||
Thermal expansion | deep uv to far tr | deep uv to far tr | NO | |||||
Transmittance | 100% | 100% | NO | |||||
Eco- friendly | 100% | Not at all | Yes | |||||
Customize | Yes | Maybe | Yes | |||||
Price | Affordable | Expensive | Yes | |||||
Memorial Diamond
A memorial diamond is a diamond created from the carbon extractedfrom cremated ashes, hair or a combination of ashes and hair.lt's aunique way to immortalize the memory of a loved one that's passed andestablish a family heirloom to be treasured forgenerations.
Title goes here.
After receiving the ashes, we store them individually in numbered packages to ensure your sample is not confused with others. The
package will only be opened once it reaches the laboratory.
package will only be opened once it reaches the laboratory.
Title goes here.
Upon receiving the sample, the laboratory will grind the ashes into powder using a milling device and conduct a chemical analysis
to ensure we can extract enough carbon. The chemical composition analysis also serves as a unique identifier for the ashes.
to ensure we can extract enough carbon. The chemical composition analysis also serves as a unique identifier for the ashes.
Title goes here.
The ash powder is placed in a vacuum furnace and subjected to high temperatures for three hours, extracting carbon while a minimal
amount of trace elements remains.
amount of trace elements remains.
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Extracted carbon and metal media are placed in a synthetic block
Title goes here.
The synthetic blockis placed in a diamond cultivation machine. This heavy machine simulates the extreme high-temperature and
high-pressure environment experienced by natural diamonds in the Earth's mantle. Over several days, the chemical bonds of the
carbon atoms in the graphite break and recombine on a diamond seed to form a diamond structure.
high-pressure environment experienced by natural diamonds in the Earth's mantle. Over several days, the chemical bonds of the
carbon atoms in the graphite break and recombine on a diamond seed to form a diamond structure.
Title goes here.
After the white capsule containing the raw diamond is removed and broken open, the disc inside is placed in a specific liquid to
dissolve its surface, revealing a raw diamond. After being cut and polished by experts, a new diamond is created.
dissolve its surface, revealing a raw diamond. After being cut and polished by experts, a new diamond is created.
Recommend Production
Diamond 4c Standard
Our Advantages
Certifications
Packaging & Shipping
Company Profile
Luoyang Qiming Superhard Material Co.,Ltd was founded in 1999, which ever belongs to CSR-Luoyang Locomotive Plant. We mainly focus on R&D, production and sales of synthetic diamond and high pressure high temperature (HPHT) cubic press.Our main products are: HPHT rough diamond, HPHT polished diamond, lab-grown diamond jewelry and HPHT cubic press machine. Nowadays, we are one of the most competitive enterprise of HPHT diamond.We warmly welcome customers from at home and abroad to cooperate with us for common
success. We are looking forward to building long-term and cooperative relationships with you.
success. We are looking forward to building long-term and cooperative relationships with you.
FAQ
Q: Are you a trade company or manufacture?
A: We are a manufacture company, we not only produce our own HPHT rough diamonds, and also produce cubic press machine, if you are
interested in our HPHT machine, pls also feel free to contact us.
Q: What products can I buy from your company?
A:We now can provide HPHT rough diamond, polished HPHT diamond and lab-grown diamond jewellery, we can offer a competitive price
as we are a manufacture.
Q: How to place an order?
A:Just send an inqury to us, and tell us your demands for HPHT diamond, we will try our best to provide professional and fast
service with you.
Q: How do you ship and how long does it take?
A:We usually use UPS, DHL and ohter logistics company to ship goods, usually it will take like 3-5days to ship the goods.
A: We are a manufacture company, we not only produce our own HPHT rough diamonds, and also produce cubic press machine, if you are
interested in our HPHT machine, pls also feel free to contact us.
Q: What products can I buy from your company?
A:We now can provide HPHT rough diamond, polished HPHT diamond and lab-grown diamond jewellery, we can offer a competitive price
as we are a manufacture.
Q: How to place an order?
A:Just send an inqury to us, and tell us your demands for HPHT diamond, we will try our best to provide professional and fast
service with you.
Q: How do you ship and how long does it take?
A:We usually use UPS, DHL and ohter logistics company to ship goods, usually it will take like 3-5days to ship the goods.
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