Man Made Diamonds: What You Need to Know

ByKelly Adkins

Oct 7, 2025
moissanite vs diamond

What Are Man Made Diamonds

Man made diamonds are real diamonds created in a lab rather than mined from the earth. They have the same chemical structure as natural diamonds and share the same hardness and brilliance. The difference lies only in how they are formed.

These diamonds are grown using advanced technology that replicates the conditions found deep within the earth. You can expect the same sparkle and durability as moissanite vs diamond.

How They Are Made

There are two main methods to create man made diamonds.

  • High Pressure High Temperature (HPHT): This method mimics the natural conditions that create diamonds over millions of years. Carbon is placed under intense pressure and heat to form a diamond crystal.
  • Chemical Vapor Deposition (CVD): This technique uses a carbon-rich gas in a chamber. The gas deposits carbon atoms onto a seed crystal layer by layer until a diamond is formed.

Both methods produce diamonds that are chemically identical to natural diamonds. The process can take weeks depending on the size and quality of the stone.

Why People Choose Man Made Diamonds

Man made diamonds are gaining popularity for several reasons. They are usually less expensive than mined diamonds, allowing you to get larger or higher-quality stones for the same budget.

They are also more predictable in quality. Labs can control color, clarity, and size with precision. This means you can find a diamond that meets your exact specifications without compromise.

For those concerned with environmental impact, man made diamonds are considered a more sustainable choice. Mining diamonds can damage ecosystems, whereas lab-grown diamonds require less disruption.

Practical Uses

Man made diamonds are not just for jewelry. Their hardness and thermal conductivity make them useful in industrial applications. They are used in cutting tools, electronics, and scientific equipment.

For personal use, you can find man made diamonds in engagement rings, earrings, and necklaces. They provide the same aesthetic and lasting value as mined diamonds.

Comparing Cost and Value

The cost of man made diamonds is generally 20 to 40 percent lower than natural diamonds of similar size and quality. You can spend the same amount and get a larger stone or a higher color grade.

In terms of resale, natural diamonds may hold value slightly better due to rarity. However, man made diamonds are gaining recognition and their market is growing. This means their value may become more stable over time.

Quality and Certification

Man made diamonds are graded just like natural diamonds. Look for certifications from reputable labs. These reports confirm the diamond’s carat, cut, clarity, and color.

  • Carat: Measures the weight of the diamond.
  • Cut: Refers to how well the diamond reflects light.
  • Clarity: Shows the number of internal or surface imperfections.
  • Color: Rates the lack of color in the diamond.

Choosing a certified diamond ensures you know exactly what you are buying and avoids surprises.

Choosing the Right Diamond for You

When deciding between man made and natural diamonds, think about your priorities.

  • Budget: Man made diamonds are more affordable.
  • Size and quality: You can often get a larger or higher-quality diamond for the same price.
  • Ethics and sustainability: Lab diamonds avoid mining-related concerns.

Consider visiting a jeweler to see the differences in person. Many people find it difficult to tell man made and natural diamonds apart without specialized equipment.

Maintaining Your Diamond

Caring for a man made diamond is the same as for a natural diamond.

  • Clean regularly using warm water and mild soap.
  • Avoid harsh chemicals that can dull the surface.
  • Store separately to prevent scratches from other jewelry.

Proper care will keep your diamond sparkling for decades.

FAQ

Are man made diamonds real diamonds?

Yes, they are chemically identical to natural diamonds and have the same hardness and brilliance.

Do man made diamonds cost less?

Yes, they are typically 20 to 40 percent cheaper than natural diamonds of the same size and quality.

Will man made diamonds hold value?

They may not hold value as well as rare natural diamonds, but their market is growing and they are widely recognized in the jewelry industry.