Complete Guide to Lab Grown Diamonds – Everything You Need to Know

Lab grown diamonds, also known as synthetic or cultured diamonds to guides lab grown diamonds, are an increasingly popular alternative to natural diamonds. These diamonds are created in a lab using advanced technology and have the same chemical and physical properties as natural diamonds. In this complete guide to lab grown diamonds, we will explore everything you need to know about these fascinating gems.

What Are Lab Grown Diamonds?

Lab grown diamonds are created in a laboratory setting using one of two methods: High Pressure-High Temperature (HPHT) or Chemical Vapor Deposition (CVD). HPHT involves subjecting a carbon source to high pressure and high temperature, mimicking the conditions that form natural diamonds deep within the Earth’s crust. CVD, on the other hand, involves growing a diamond layer atom-by-atom from a carbon-rich gas onto a substrate.

Once the diamond has been grown, it undergoes the same cutting and polishing process as a natural diamond to achieve its final shape and brilliance. The resulting lab grown diamond is visually and chemically identical to a natural diamond.

Benefits of Lab Grown Diamonds

There are several benefits to choosing a lab grown diamond over a natural diamond. One of the most significant benefits is cost. Lab grown diamonds are generally less expensive than natural diamonds of the same size and quality. This makes them a great option for those who want a high-quality diamond without breaking the bank.

Another benefit of lab grown diamonds is ethical considerations. Unlike natural diamonds, which may be mined in conflict zones and can sometimes have a questionable supply chain, lab grown diamonds are a more sustainable and ethical choice. They are also 100% conflict-free.

Finally, lab grown diamonds offer greater customization options. Because they are grown in a lab, they can be produced in a wider range of sizes and colours than natural diamonds, making them an excellent choice for unique and custom jewellery pieces.

How to Choose a Lab Grown Diamond

When choosing a lab grown diamond, there are several factors to consider to ensure you get the best value for your money. The first factor to consider is colour. Lab grown diamonds range in colour from completely colourless to light yellow or brown, with each colour grade having its own price point. If you want a diamond that appears colourless, look for one with a colour grade of D-F.

The second factor to consider is clarity. Clarity refers to the presence of internal and external flaws, known as inclusions and blemishes. The fewer inclusions and blemishes a diamond has, the higher its clarity grade and the more valuable it is. Look for a diamond with a clarity grade of VS1 or higher for the best value.

Finally, consider the diamond’s cut. A well-cut diamond will have excellent sparkle and brilliance, while a poorly cut diamond will appear dull and lacklustre. Look for a diamond with a cut grade of Very Good or Excellent.

Where to Buy Lab Grown Diamonds

There are several options for buying lab grown diamonds, both online and in-person. Online retailers such as Brilliant Earth and James Allen offer a wide selection of lab grown diamonds in various sizes and colours. In-person, you can visit a jewellery store that specializes in lab grown diamonds or ask your local jeweller if they carry them.

When buying a lab grown diamond, be sure to ask for a grading report from a reputable third-party organization such as the Gemmological Institute of America (GIA). This report will provide information on the diamond’s colour, clarity, cut, and carat weight and help ensure that you are getting what you paid for.

Caring for Lab Grown Diamonds

Caring for a lab grown diamond is very similar to caring for a natural diamond. To keep your diamond looking its best, clean it regularly with a soft-bristled toothbrush and gentle soap and water. Avoid exposing your diamond to harsh chemicals or extreme temperatures, as this can damage the diamond.


Lab grown diamonds are a great choice for those who want a high-quality, ethical, and customizable diamond without breaking the bank. By considering factors such as colour, clarity, and cut, and buying from a reputable dealer with a grading report, you can ensure that you get the best value for your money. With proper care, your lab grown diamond will remain beautiful and sparkling for years to come.

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