What Is A Composite Diamond?

by Ultimate Jewelry Guide
What Is A Composite Diamond?

Diamonds are a girl’s best friend, so it comes as no surprise that most of us have some form of diamond jewelry. But what is a composite diamond? A composite diamond is created by combining two or more materials to create the desired appearance and hardness.

This blog post will discuss all the benefits of composite diamonds over other types, give you an idea about how they are made, and answer any questions you may have on these beautiful stones!

What Is A Composite Diamond?

A composite diamond is made up of two or more pieces that, when put together, form an intact stone. Composite diamonds can be cut to the same shape and size as any other round brilliant-cut white diamond so they are virtually indistinguishable from mined stones.

What Are Composite Diamonds Made From?

Composite diamonds are made from two materials: an organic material called boron nitride, or “BN,” and a white sapphire crystal substrate that is cut into shape to match the desired diamond shapes and sizes.

The BN provides strength while the white sapphire provides beauty; together they create an affordable alternative for consumers who can’t afford traditionally mined diamonds.

The History Of Composite Diamonds

Composite diamonds are a relatively new addition to the diamond market. They have been in existence since 1990, but they gained popularity in the U.S. after 2003 when De Beers launched their Forevermark line of jewelry which used composite diamonds as center stones and accent stones.

The Advantages And Disadvantages Of Composite Diamonds

The Advantages Of Composite Diamonds

  • Composite diamonds last longer than mined stones. They’re made up of two or more pieces, so they can be fixed and reassembled to keep them in top condition for years without ever needing a touch-up from a diamond cutter. 
  • The resale value is greater because their authenticity cannot be questioned. This is more than just a surface treatment, it’s an actual diamond and not some fake stone that can be made of any old material.
  • They’re less expensive because they are created in a laboratory. The process is labor-intensive, but it’s cheaper to produce them than mine for the raw materials.
  • Composite diamonds are eco-friendlier because they are created in a laboratory and don’t require any mining or drilling that can affect wildlife habitats like rainforests.
  • They are 100% natural diamonds and come with the same warranties if you purchase from a retailer. 
  • A composite diamond has many of the qualities that make other types of diamonds desirable, like being hard to scratch or break. 

Disadvantage Of Composite Diamonds

  • They are not as hard.
  • The color may be off since they don’t have nitrogen trapped inside which is usually what creates the diamonds’ white or yellow tint. This means that brownish tints can show if it’s on the surface of the diamond when worn in jewelry. 
  • There isn’t a grading system for composite diamonds.
  • They have to be re-polished every few years because the white color is not as resistant to wear and tear as a natural diamond that has nitrogen trapped inside.

How do Composite Diamonds Compare to Other Types of Diamonds?

Composite Diamonds are a new technology, so it’s difficult to compare the two. What we do know is that they have better strength and durability than other types of diamonds.

They also offer more transparency in their colorless state because there is no nitrogen trapped inside and can be created with less carbon making them cheaper for production costs like cutting and polishing which makes them more affordable for consumers!

Why Should I Buy A Composite Diamond Instead Of A Traditional Diamond?

A composite diamond may be a perfect choice for those who want to buy a more affordable engagement ring. A traditional diamond can cost upwards of $20,000 whereas the average price of a composite is between $500 and $1500.

In addition, if you are looking to purchase an anniversary ring or any other type of jewelry that isn’t as expensive but still wants quality – this could also be ideal!

Cubic Zirconia VS. Composite Diamond

What Is Cubic Zirconia?

Cubic zirconia, or CZ as it is often called, are man-made diamonds made from a hard white substance that resembles the mineral form of natural diamond. It’s an affordable imitation stone and while they’re not difficult to differentiate between real diamonds at first glance, with some inspection you can tell them apart.

The Difference Between Cubic Zirconia And Composite Diamonds

CZs have clear differences in their appearance from natural gemstones. Cubic zirconia is created by filling a mold of powdery crystal substances such as aluminum oxide with other metallic elements like titanium dioxide (TiO) and iron oxide (Fe).

The size and shape will vary depending on what type of cubic zirconia was used: brilliant-cut stones mimic round brilliant cuts; fancy cut stones mimic round cut diamonds and emerald, princess-cut, or Asscher-cut stones.

The facets of CZs are also more shallow than diamonds so they don’t reflect light in as many directions which can make it hard to tell the difference between a real diamond and cubic zirconia at first glance. The clarity is often cloudy instead of being glassy like natural gemstones.

And while most people will be able to distinguish that there’s something off about them with some inspection, others may not notice anything wrong right away. However, these differences do exist for those who know what to look out for!

How to Find Out If Your Ring Contains A Composite Diamond?

If you are unsure if your diamond is a composite or not, there are some ways to find out. One way would be to inspect the color of your ring and compare it with one that has been confirmed as authentic.

Another thing you can do would be to look for inclusions on the stone. Inclusions will show up from within the stone and when looking through it they should appear as dark spots inside crystals resembling bubbles.

These types of imperfections can also help confirm whether or not a ring contains a composite diamond because composites don’t have these same types of flaws due to their production process.

How to Determine If You’re Buying The Right Composite Diamond?

If you’re buying a ring with stones, examine the setting before purchase. If it’s too small to see all of the components in the center stone or if some seem like they don’t belong (like two little chips on either side), then what you’re looking at is most likely not a composite diamond but rather cubic zirconia.

Many people think because these diamonds have been around for so long and were once very popular that all rings will be made from them as well. This isn’t true! There are many reasons why someone would buy a CAD – one being their cost-effectiveness.” 

Are Composite Diamonds Cheaper Than Traditional Diamonds? 

As mentioned before, composite diamonds are more cost-effective. For this reason, they make a great alternative for someone who is on a budget or doesn’t have the resources to buy another diamond that has full clarity and color.”

Do Composite Diamonds Hold Their Value?  

The value of a composite diamond will fluctuate with the market, so it’s important to understand what you want out of your purchase.

If cost is more of an issue and care for the stone isn’t high on your list (i.e., if you are going to be handed down or sold), then this could be the best choice.

Can a Composite Diamond Scratch Or Break?

Yes, but not as easily – this is one of its key benefits. It won’t react to heat and chemicals like other diamonds. A composite diamond can also withstand more pressure than traditional diamonds.”

What To Consider When Buying a Composite Diamond? 

A good place to start is by looking at the diamond’s cut quality. The more symmetry it has, the better its grade will be.

A composite diamond’s grading system can range anywhere from GIA (Good) and up to IGI certified (Ideal). Another thing that should be considered is whether they are colorless or not. This is measured on a scale from D-Z.


After reading this post, you should have a better understanding of composite diamonds and how they compare to other types of diamonds.

The benefits of composite diamonds are numerous, from their affordability to the wide variety they come in. If you’re considering a diamond but don’t know where to start, this post is for you!

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