Lab Diamond vs Natural Diamonds

Everything You Need to Know Before Choosing Your Diamond

Lab grown diamonds have become an increasingly popular choice in recent years, particularly for engagement rings and fine jewellery. At the same time, natural diamonds continue to be treasured for their rarity and timeless appeal.

Understanding the differences between lab grown and natural diamonds allows you to make a confident, informed decision—based on your values, budget, and personal style.

What Is a Lab Grown Diamond?

A lab grown diamond is a real diamond, created in a laboratory rather than mined from the Earth. Using advanced technology, scientists replicate the extreme heat and pressure found deep underground, allowing carbon atoms to crystallise into a diamond.

In terms of chemical composition, physical structure, and optical properties, lab grown diamonds are identical to natural diamonds. They offer the same brilliance, durability, and sparkle.

Simply put: lab grown diamonds are not imitations—they are genuine diamonds.

Are Lab grown Diamonds Real?

Yes—absolutely.
Lab grown diamonds are 100% real diamonds. Even professional gemologists require specialised equipment to distinguish them from natural diamonds. To the naked eye, there is no visible difference.

They score the same on the Mohs hardness scale, reflect light in the same way, and are suitable for everyday wear and lifelong jewellery.

How Are Lab Grown Diamonds Made?

There are two primary methods used to grow diamonds in laboratories:

High Pressure High Temperature (HPHT)

This method places a diamond seed alongside pure carbon under extreme pressure and temperatures exceeding 1,500°C, closely mimicking the natural diamond-forming process.

Chemical Vapour Deposition (CVD)

With CVD, a diamond seed is placed in a sealed chamber filled with carbon-rich gas. When heated, carbon atoms bond layer by layer, gradually forming a diamond.

Both methods produce high-quality diamonds that are cut, polished, and graded just like mined diamonds.

Lab Grown Diamonds vs Natural Diamonds: What’s the Difference?

While lab grown and natural diamonds look identical, the key differences lie in their origin, cost, and sustainability.

Appearance: High-quality lab grown diamonds are visually indistinguishable from natural diamonds. Both can be colourless or near-colourless, come in a wide range of shapes—such as round, oval, emerald, pear, cushion, and princess—and display the same fire and brilliance.

Origin: Natural diamonds form deep within the Earth over millions of years.
Lab grown diamonds are created in controlled environments over a period of weeks.

Cost: Lab grown diamonds typically offer better value, often costing 30–50% less than a natural diamond of similar cut, colour, and clarity.

Why Choose a Lab Grown Diamond?

Exceptional Value: Choosing a lab grown diamond allows you to maximise your budget. With the same spend, you may be able to select a larger stone or a higher-quality diamond without compromising on beauty.

Sustainability: Lab grown diamonds do not require mining, which significantly reduces land disruption and environmental impact. They are widely regarded as a more sustainable alternative to mined diamonds.

Ethical Transparency: With a clear and traceable origin, lab grown diamonds avoid the ethical concerns sometimes associated with diamond mining. This offers peace of mind for those who prioritise responsible sourcing.

Value of Lab Grown Diamonds

Lab grown diamonds are more affordable because they are produced in controlled conditions rather than relying on rare geological processes. While prices have evolved as the technology has matured, lab grown diamonds remain a cost-effective option for modern buyers.

As with all diamonds, long-term value is influenced by market trends and personal significance rather than price alone.

Sustainability of Lab Grown Diamonds

Mining natural diamonds often involves removing large volumes of rock to uncover a single high-quality stone, which can place strain on the environment.

Lab grown diamonds, by contrast, require fewer resources and can be produced in a matter of weeks. This makes them an attractive option for customers seeking a more environmentally conscious choice.

Are Lab Grown Diamonds Certified?

Yes.
Lab grown diamonds are graded and certified by internationally recognised gemological laboratories, just like natural diamonds. Each certification details the diamond’s cut, colour, clarity, and carat weight, ensuring quality and authenticity.

Making the Right Choice

Natural diamonds remain a popular choice for many due to their rarity, heritage, and traditional significance. Lab grown diamonds offer a modern alternative—combining beauty, value, and sustainability.

Whichever you choose, both lab grown and natural diamonds are genuine diamonds designed to last a lifetime.