Description
Technical Parameters
melee lab created diamond
| size | 0.7mm~3.2mm, other size availalbe |
| shape | round shape |
| clarity | VS-VVS |
| cutting | excellent cut, polished. |
| character | physical same as natural diamond, price competive |
| sample | acceptable sample order |
| shipping | fedex, DHL, UPS, SF, etc |
| delivery date | 1 day ship out |
Melee lab grown diamon picture
Melee diamond used in jewelry setting
other fancy shape melee lab diamond available
lab grown diamond in troduction
Cultivated diamonds are actually similar to natural diamonds, but some people just can't figure it out. Today I will give you some popular science so that you won't suffer a loss when buying diamonds.
What are cultured diamonds?
First of all, cultured diamonds are real diamonds, also called diamonds. Its structure, fire, and hardness are exactly the same as natural diamonds. The naked eye can't see the difference at all, and it can only be distinguished by laboratory instruments. Therefore, only diamonds can be called real diamonds.
How do cultured diamonds come from?
Cultivated diamonds are made by machines simulating the formation process of natural diamonds. Simply put, it is to let carbon molecules form the molecular structure of diamonds in a short time. There are currently two main technologies:
HPHT (High Temperature and High Pressure): This method produces diamonds with high color grades, mainly DE colors, but the carat weight is relatively low, generally within 2 carats. If you buy diamonds within 1 carat, they are basically HPHT.
CVD (Chemical Vapor Deposition): This method produces diamonds with higher clarity, mainly between 1-5 carats. Both have their own advantages and disadvantages, and the wholesale price is similar.
How to identify cultured diamonds?
The identification of cultured diamonds mainly depends on the certificate. The mainstream certificates include Shanghai IGI, GIA and NGTC. The testing standards of these certificates are exactly the same as those of natural diamonds, which means that cultured diamonds are internationally recognized. Among them, IGI certificates are cost-effective and have good international recognition. Although GIA certificates are generally good, they are too expensive and have low cost-effectiveness. IGI certificates are the most authoritative in China, and 5EX testing is more stringent. but note that melee lab created diamond few make the certificate.
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