Simulant diamonds come closest to representing the natural diamonds, the difference is probably not visible to the naked eye. The simulant diamonds are chemically and physically different from the mined diamonds. These diamonds are made from alternate materials and aren’t particularly created from scratch. They were first made in the 1970s as a replacement for the natural diamonds in the Victorian age. Cut glass, zircon and white sapphires were used to make the lab grown diamonds.
These diamonds are produced from carbon mixed with additional ingredients. These stimulants have a triple lifetime guarantee due to their extreme durability.
These diamonds are produced from zirconium dioxide. They are the least durable type of the stimulant diamonds, they also come at the lowest price.
These stones are synthesized from silicon carbide. Mossianite is a very strong stimulant and this adds to its price, which is quite high as well. Mossianite has a different look as it is a gemstone.
Cultured diamonds are created from scratch and built in an environment that represents the environment in the diamond mines. These diamonds are grown in a lab and have very similar physical and chemical characteristics to that of natural diamonds. These diamonds are specially inscribed with a number that denotes that they aren’t real, so that they cannot be used for resale or insurance purposes. These diamonds are created in two ways, stated below.
High pressure high temperature diamonds are made in an environment that is similar to the environment favourable for the production of mined diamonds. There are three main press designs that are used to supply the pressure and the temperature required to produce synthetic diamonds. They are: the cubic press, the split-sphere press and the belt press. Diamond seeds are placed at the bottom of the press.
Diamonds are grown from a hydrocarbon gas mixture in the chemical vapour deposition method. This method is considered to be as the more suitable choice for the industrial applications, flexibility and the simplicity of the process. This is the reason why it is gaining popularity in the laboratory research. HPHT still remains to be the preferred process for the mass-production of diamonds crystals. The CVD diamond growth enables the growth to happen over various substrates and large areas. It also improves the control over the chemical impurities.
To sum it up, there are two main distinctions of lab grown diamonds which cover the umbrella of several other types of diamonds that are made in labs. Even after being produced in a lab generated environment the diamonds hold a very similar state of quality as the mined diamonds!
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