Henan Yuda Crystal Co.,Ltd
                                                                                                           
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1.0ct 1.5ct 2.0ct VS SI HPHT Certified Lab Grown Diamonds For Diamonds Jewelry

Price Negotiable
Price: Negotiate
MOQ: Negotiate
Delivery Time: 1-7 working days
Brand: Yuda Crystal
Product Description

1.0ct 1.5ct 2.0ct VS SI HPHT Certified Lab Grown Diamonds For Diamonds Jewelry

 

Lab Grown Loose Diamonds Description

 

Laboratory-grown diamonds, also known as synthetic diamonds, both cultured and laboratory-created diamonds are produced in a highly controlled laboratory environment using advanced technology.

 

Although diamond under laboratory conditions is formed from natural diamond under different environments, both natural diamond and laboratory are crystals of pure carbon, and their physical properties, chemical properties, crystal structure, and optical properties are identical. Diamonds produced and mined in laboratories are real diamonds.

Synthetic diamonds are made by imitating the crystallization process of natural diamonds. Natural diamonds are formed in the natural environment and often mixed with other elements, which makes some natural diamonds not completely transparent and can take on a specific color. For example, some diamonds are pink, some are blue, and some are yellow. Diamond is of high temperature and high pressure or in the laboratory. It has fewer impurities than natural diamonds, so it is purer and more transparent.

Natural diamonds take millions of years to form. Before a volcano erupts, underground lava about 150 to 200 kilometers deep can slowly cool in the crater, usually because the crater is blocked. The pressure of pure carbon material is 4.5 * 10 ^ 6 ~ 9pa. When the temperature drops to 1000 ~ 1250 ℃, natural diamond crystals are formed. Diamonds are formed under physical and chemical conditions in some parts of the earth.

However, the gemstone grade diamonds produced in the laboratory can now be produced under natural conditions. Using high temperature and high pressure (HPHT) or chemical vapor deposition (CVD) technology, the natural diamonds produced in the laboratory can be simulated in a few weeks.

 

Parameters Of Lab Grown Loose Diamonds

 

Product Name Synthetic (Lab created) Loose Diamond
Material Lab Grown Loose Diamond
Diamond Color DEF
Diamond Shape Round
Diamond Technology HPHT
Diamond Cut Very Good Cut
Payment Terms 100% Payment In Advance
Diamond Carat Weight 1.0-2.0CTS
Diamond Clarity VS SI
Shipping way DHL, FedEx, SF Express, UPS, EMS, TNT etc
M.O.Q Negotiable
Delivery Time 1-7 Working Days Depends On Quantity
Payment Methods T/T, PayPal, Western Union, Bank Transfer
Used Jewelry (necklace,ring,earring)
Application For Sale
Place Of Origin Henan, China

 

Characteristics Of Lab Grown Loose Diamonds

 

Lab-grown diamonds are grown in a lab. Advanced equipment is used to simulate the conditions in which natural diamonds form. Lab-produced diamonds are usually produced in the lab for several weeks. Natural diamonds form naturally, as a result of high temperatures and pressures over billions of years. The chemical differences between the two is the same.

How to distinguish between diamond breeding laboratory and natural diamond lab?

There was no significant difference between lab-grown diamonds and natural diamonds. Even professional gemologists need special equipment to identify them. Through the amplification, professionals will be able to identify diamond inclusions grown in the laboratory and the nuances.

 

The Difference Between Lab Diamond And Natural Diamond
Attribute Lab-Created Diamonds Natural diamond Distinction
Chemical composition C(carbon) C(carbon) No
Refractive index 2.42 2.42 No
Relative density 3.52 3.52 No
Dispersion 0.044 0.044 No
Hardness value 90 GPA 90 GPA No
Thermal conductivity 2*103 W/M/K 2*103 W/M/K No
Thermal property 0.8*10-6 K 0.8*10-6 K No
Light transmittance DEEP UV TO FAR TR DEEP UV TO FAR TR No

Resistivity

1016 OHM-CM

1016 OHM-CM

No

Compressibility

8.3*10-13 M2/N

8.3*10-13 M2/N

No

 

From a scientific point of view, man-made diamonds are exactly the same as natural diamonds. The only difference is their formation position.

 

 Lab Grown HPHT Loose Diamonds Details

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Company Henan Yuda Crystal Co.,Ltd
Location ROOM 1524, 15TH FLOOR, NO.56 ZIJINGSHAN ROAD, GUANCHENG DISTRICT, ZHENGZHOU, HENAN, CHINA
Contact Person Pang

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