Natural vs lab-grown diamonds: what's the difference? | DYOTA

It's one of the first questions we hear in our showroom. And it's a good one. The short answer: both are real diamonds. The difference is in where they come from, not in what they are.

What is the difference?

We often compare it with a baby born naturally and a baby born through IVF. The start is different, but the result is the same: both are just as real. It's the same with diamonds. A natural diamond was formed by the earth, a lab-grown diamond was helped into the world by people. What you hold in your hand is, in both cases, a real diamond.

What is a diamond?

A diamond is pure carbon, arranged in a crystal structure that makes it the hardest natural material we know. That's true for a natural diamond and for a lab-grown diamond. Same hardness, same fire, same sparkle. They're graded on the same qualities and cut and polished in exactly the same way. There is no one who can tell them apart with the naked eye or a loupe. It takes specialised lab equipment.

How a natural diamond is formed

Natural diamonds formed deep in the earth, under enormous heat and pressure. Most are between one and three billion years old, older than almost any life on earth. Volcanic activity brought them closer to the surface, where they are mined today. Every natural diamond is unique, with a history that started long before us.

How a lab-grown diamond is made

A lab-grown diamond starts with a tiny diamond seed. In a lab, carbon builds up on that seed, layer by layer, until a rough diamond has formed. There are two methods: one recreates the heat and pressure of the earth (HPHT), the other grows the diamond from a carbon-rich gas (CVD). The result is a real diamond, grown in weeks instead of billions of years.

From rough to brilliant

Whichever you choose, every diamond starts as a rough stone. Its beauty comes from the cutter. A round brilliant has fifty-seven facets, each one placed by hand, moving between the loupe and the wheel thousands of times. That craft is the same for natural and lab-grown.

Certificates

Every diamond we offer comes with a certificate from an independent lab: GIA, HRD or IGI. The certificate records the qualities of the stone and states clearly whether it is natural or lab-grown. Good to know: since 2025, GIA assesses lab-grown diamonds in two categories, Premium and Standard, instead of the colour and clarity grades used for natural diamonds. HRD and IGI still use the familiar grades for both.

Would you prefer a diamond with a certificate from a specific lab? Let us know, and we'll find one for you.

Price

Here's where the two really differ. A lab-grown diamond is usually considerably less expensive than a natural diamond of the same size and quality. With a natural diamond, you pay for rarity: a stone that took billions of years to form, and of which no two are alike. With a lab-grown diamond, you get the same look and quality for less, which means you can choose a bigger stone or a higher grade within the same budget.

Neither choice is better. It depends on what matters most to you.

How to choose

A few questions can help:

• What does the diamond mean to you? For some, the story of a stone formed by the earth is priceless. Others care most about how it looks and feels.
• What would you like to spend? A lab-grown diamond gives you more carat for your budget. A natural diamond gives you rarity.
• What size do you have in mind? If you dream of a larger stone, lab-grown makes that more accessible. If a smaller, rare stone feels right, natural may suit you better.

We work with both

At DYOTA, we don't push one over the other. We work with natural and lab-grown diamonds, and we're happy to show you both side by side in our showroom. That's often the moment it becomes clear.