Flat 20% + Extra 10% Off on Diamonds

Join the Carat Club for ZERO Making Charges

Visit stores or contact us for home delivery!

Your cart

Your cart is empty

A gold chevron V-ring with pavé lab-grown diamonds stands upright on a textured, light wood-grain surface.

How Diamonds Are Grown In a Lab?

Let’s clear the air on one point: lab-grown diamonds aren’t fake diamonds. They are real diamonds, made with real carbon atoms, and, in terms of brilliance, are just as bright as mined diamonds from the bowels of the Earth. But how are lab-grown diamonds made? Now we’re getting into the geeky, and somewhat futuristic, aspects.

First, What is a Diamond?

Before we explain how lab-grown diamonds are made, let’s talk a little bit about what a diamond even is. Simply put: a diamond is pure carbon. When carbon atoms are arranged in a particular crystal structure under high pressure and temperature, they form one of the hardest, most brilliant substances on Earth.

It doesn’t matter if a diamond is formed miles under the Earth’s crust or in a high-tech lab; it’s a diamond.

So, how are lab diamonds made when they don’t come from under the ground? That’s an excellent question.

Method 1: CVD (Chemical Vapour Deposition) - The Clean Way

If you're looking for a clean and controlled environment to make lab-grown diamonds, look no further than CVD.

How does CVD work?

  • You begin with a diamond seed (a tiny piece of real diamond).
  • Put it in a vacuum chamber.
  • Fill the chamber with carbon-rich gases like methane.
  • Heat the environment until the gases split and carbon atoms start coating the seed.
  • Over time, the diamond forms on the seed atom by atom.

Why CVD diamonds?

  • Grown in cleaner environments = less impurities.
  • Great for modern designs in jewellery.
  • More efficient labs = better, sustainable diamonds.

     

CVD is one of the most popular answers to how lab-grown diamonds are made, especially for consumers who care about quality and sustainability.

Method 2: HPHT (High Pressure High Temperature) - The Intensive Way

Now, let's discuss how lab diamonds are produced through a natural diamond-making process - HPHT.

HPHT works as follows:

  • You will need pure carbon and a diamond seed.
  • This will be put into a chamber that produces insane heat and pressure similar to deep within the earth.
  • As time goes by, carbon crystallises around the seed and builds into a diamond of maximum size.

Why HPHT diamonds?

  • The process is more closely related to nature.
  • HPHT diamonds may have a warm, rich colour due to yellow or brown tints.
  • Great for those who want a more natural aesthetic.
  • Whether you prefer the cleaner lines or earthy tones, both processes can demonstrate how lab-grown diamonds are manufactured thoughtfully and intentionally.

Why Does it Matter How Diamonds are Made?

What difference does it make? Because it frames how we think about jewellery. Lab-grown diamonds provide us with:

  • The same structural integrity and sparkle as mined diamonds.
  • Ethical and ecologically sound origin.
  • Better quality - 30 - 40% cheaper than mined diamonds.
  • When you look at how lab-grown diamonds are made, you understand it's not just science, it's a smarter option for our planet and your pocket.

Which Lab Diamond Is Better?

Both CVD and HPHT diamonds are great, and you can decide which is best for you based on what matters to you most.

Do you prefer cleaner diamonds with high clarity? CVD.

If you appreciate a more traditional approach or natural warmth, then HPHT may be better for you.

Regardless of which method you choose, you are still purchasing a real diamond and just produced in a lab using modern science instead of ancient geology.CVD is one of the most 

popular answers to how lab-grown diamonds are made, especially for consumers who care about quality and sustainability.

Method 2: HPHT (High Pressure High Temperature) - The Intensive Way

Now, let's discuss how lab diamonds are produced through a natural diamond-making process - HPHT.

HPHT works as follows:

  • You will need pure carbon and a diamond seed.

  • This will be put into a chamber that produces insane heat and pressure similar to deep within the earth.

  • As time goes by, carbon crystallises around the seed and builds into a diamond of maximum size.

Why HPHT diamonds?

  • The process is more closely related to nature.

  • HPHT diamonds may have a warm, rich colour due to yellow or brown tints.

  • Great for those who want a more natural aesthetic.

  • Whether you prefer the cleaner lines or earthy tones, both processes can demonstrate how lab-grown diamonds are manufactured thoughtfully and intentionally.

Why Does it Matter How Diamonds are Made?

What difference does it make? Because it frames how we think about jewellery. Lab-grown diamonds provide us with:

  • The same structural integrity and sparkle as mined diamonds.
  • Ethical and ecologically sound origin.
  • Better quality - 30 - 40% cheaper than mined diamonds.
  • When you look at how lab-grown diamonds are made, you understand it's not just science, it's a smarter option for our planet and your pocket.

Which Lab Diamond Is Better?

Both CVD and HPHT diamonds are great, and you can decide which is best for you based on what matters to you most.

Do you prefer cleaner diamonds with high clarity? CVD.

If you appreciate a more traditional approach or natural warmth, then HPHT may be better for you.

Regardless of which method you choose, you are still purchasing a real diamond and just produced in a lab using modern science instead of ancient geology. 

Discover More Lab-Grown Diamonds

Now that you know the methods for growing lab-created diamonds, why not check out how lab-created diamonds can be represented in several forms? From modern-day lab-created diamond bangles to lab-grown diamonds set into beautiful rings and earrings, each piece is dedicated to the science and beauty. Whether you are keeping it for yourself or giving a special and meaningful gift, lab-grown jewelry will make every moment special. 


Closing: Diamonds in New Ways

So, how are lab diamonds made? With science, innovation, and lots of love. Regardless of whether grown by a CVD or HPHT method, lab diamonds are real diamonds that sparkle every bit as bright as their mined sister diamonds, with substantially lighter footprints around the world.

They are not just a substitute; they are the future of fine jewellery. And now that you are educated on how lab diamonds are made, you are on board for the sparkle that is smart and gorgeous.


FAQ: What Are Lab-Grown Diamonds Made Of? 

1. Are lab-created diamonds real?

Yes, lab-created diamonds are real diamonds with the same optical, chemical, and physical properties as natural mined diamonds.  

2. What is the key difference between the CVD and HPHT methods?  

CVD offers the cleanest environment, while HPHT seeks to replicate where it occurs in nature. 

3. Do lab-created diamonds have inclusions like natural diamonds?  

Yes, lab-created diamonds can have inclusions, like natural diamonds; however, lab-created diamonds produced through CVD will likely have fewer. 

4. Is one method better than the other?  

Not necessarily, CVD diamonds offer more clarity, while HPHT may be a warmer color. It depends on what you want. 

5. Can I tell if it is a lab-created diamond vs. a mined diamond?  

Not with the naked eye. Even gemologists require special instruments to distinguish lab-created diamonds vs. mined diamonds. 

 

Previous post
Next post