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Difference between Simulated Diamond and Lab-Created Diamond

Difference between Simulated Diamond and Lab-Created Diamond

A diamond is a diamond, or is it? With the increasing popularity of lab-created diamonds, more and more people are asking this question. So what exactly is the difference between simulated diamonds and lab-created diamonds? Let’s take a closer look.

What is a Simulated Diamond?

Simulated diamonds are often used in jewelry because they possess the same physical, chemical, and optical properties as natural diamonds. Simulated diamonds are also known as cultured diamonds, man-made diamonds, or lab-created diamonds.

  • These gems are grown in a controlled laboratory environment by subjecting a small diamond seed to high pressure and temperature. The result is a large, flawless diamond that is chemically and optically identical to a natural diamond.
  • Simulated diamonds are usually less expensive than natural diamonds, making them a more affordable option for those who want the look of a diamond without the price tag. Simulated diamonds can also be created in different colors, which is not possible with natural diamonds.
  • However, some gemologists consider simulated diamonds to be of lesser value than natural diamonds because they lack the history and uniqueness of a natural diamond. Whether or not you consider simulated diamonds to be of value is a personal decision.

However, there is no denying that these gems are beautiful and durable, making them an excellent choice for jewelry.

What is a Lab-Created Diamond?

Lab-created diamonds are real diamonds, but they are not mined from the earth. Instead, they are created in a laboratory using cutting-edge technology. The process of creating a lab-created diamond begins with a seed crystal, which is placed in a chamber that contains a carbon-rich gas.

  • When the chamber is heated to a very high temperature, the gas breaks down and deposits carbon on the seed crystal. Over time, this process builds up a layer of diamond around the seed crystal.
  • Lab-created diamonds have the same chemical composition, physical properties, and optical properties as natural diamonds. In fact, they are indistinguishable from natural diamonds using standard gemological testing methods.
  • However, lab-created diamonds are much more affordable than natural diamonds. Because they are not subject to the same price fluctuations as natural diamonds, lab-created diamonds offer excellent value for money.

Difference between Simulated Diamond and Lab-Created Diamond

Simulated diamonds are created in a lab, but they are not real diamonds.

  • Simulated diamonds are made of different materials than diamonds, so they have different physical and chemical properties.
  • For example, simulated diamonds are usually less hard than diamonds, so they scratch more easily.
  • Simulated diamonds also don’t conduct heat as well as diamonds, so they don’t sparkle as much. Lab-created diamonds are real diamonds.
  • They have the same physical and chemical properties as natural diamonds because they are made of the same material.

The only difference between lab-created diamonds and natural diamonds is how they were formed. Lab-created diamonds are created in a controlled environment using advanced technology. Natural diamonds are created deep in the Earth’s mantle over millions of years.


Lab-created diamonds are a more sustainable choice for the environment and can be a less expensive option for consumers. If you’re in the market for an engagement ring, consider choosing a lab-created diamond. You can find simulated diamonds as well, but it’s important to understand the difference so you know what you’re buying. With either option, do your research to find a reputable jeweler with high-quality products.

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