Lab Grown Diamonds vs Natural Diamonds: A Comprehensive Guide

Diamonds have long been a symbol of love, luxury, and commitment, but in recent years, the rise of lab-grown diamonds has sparked a lively debate.

In short: Lab-grown and natural diamonds are chemically and optically identical — pure crystallized carbon, Mohs 10 hardness, identical brilliance and fire. The differences are: origin (CVD/HPHT reactors vs deep-Earth mantle), price (lab-grown 60-80% cheaper at identical 4Cs), and resale value (lab-grown 20-30% of purchase vs 30-50% for natural).

Whether you're choosing an engagement ring or investing in fine jewellery, understanding the difference between lab-grown and natural diamonds is essential.

In this comprehensive guide, we'll explore the key differences, pros and cons, and what you should consider before making a purchase.

What Are Lab Grown Diamonds?

Lab-grown diamonds, as the name suggests, are created in a laboratory environment using advanced technological processes.

These diamonds are made by replicating the extreme conditions that occur underground, where natural diamonds form.

If you're curious to explore your options, check out lab-grown diamonds in the UK for a variety of stunning choices.

The two main methods used to create lab-grown diamonds are Chemical Vapour Deposition (CVD) and High Pressure High Temperature (HPHT).

Interestingly, lab-grown diamonds are virtually identical to natural diamonds in terms of their chemical composition.

They're made of pure carbon and share the same physical properties, meaning they are just as hard and brilliant.

If you’re looking for specific cuts, you can explore various shapes such as round lab-grown diamonds, cushion-cut lab-grown diamonds, or even pear-shaped lab-grown diamonds.

Lab-grown diamonds are not synthetic imitations like cubic zirconia or moissanite.

They're ‘real’ diamonds but made above ground in a fraction of the time it takes nature to produce them.

What Are Natural Diamonds?

Natural diamonds, on the other hand, are formed deep within the Earth over millions, or even billions, of years.

They are created through a combination of high pressure and high temperature, and then brought to the surface by volcanic eruptions.

These diamonds are mined from the Earth, often in remote and challenging environments.

For those interested in high-quality diamonds, you can explore wholesale diamonds in London for a wide variety of natural options.

Because of their rarity and the time it takes for them to form, natural diamonds have traditionally been more valuable and sought-after.

The history, mystery, and natural beauty associated with them contribute to their allure.

Visual and Chemical Properties: How Do They Compare?

At first glance, it’s nearly impossible to distinguish lab-grown diamonds from natural diamonds.

Both exhibit the same dazzling sparkle, and unless you're an expert with specialised equipment, you wouldn’t be able to tell the difference.

On a chemical level, both lab-grown and natural diamonds are composed of carbon atoms arranged in a crystal lattice.

This structure gives them their famous hardness, registering 10 on the Mohs scale, making them the hardest natural material on Earth.

However, if you're looking for something truly unique, you might want to check out fancy coloured diamonds or fancy coloured lab-grown diamonds.

These stones offer a alternative to traditional white diamonds.

Price Comparison: Which Offers Better Value?

One of the most significant differences between lab-grown and natural diamonds is the price.

Lab-grown diamonds are typically 30% to 40% cheaper than their natural counterparts.

This price difference is due to the relative ease of producing lab-grown diamonds, compared to the extensive labour and resources needed to mine natural diamonds.

For many buyers, this makes lab-grown diamonds an attractive option, offering the beauty and brilliance of a diamond at a more affordable price.

However, if you're looking at diamonds as an investment, the story changes slightly, as natural diamonds tend to hold their value better over time.

Sustainability: Which Is More Eco-Friendly?

The environmental impact of diamonds is a significant consideration for many modern buyers.

Natural diamond mining is often associated with environmental disruption, deforestation, and significant energy consumption.

In some regions, the diamond industry has been linked to unethical practices, including conflict diamonds, although steps have been taken with initiatives like the Kimberley Process to mitigate these concerns.

Lab-grown diamonds, on the other hand, are generally seen as the more eco-friendly option.

While creating diamonds in a lab requires energy, technological advancements are helping to reduce the environmental footprint.

Some companies even use renewable energy sources to power their production facilities.

However, it's worth noting that lab-grown diamonds are not entirely without environmental impact.

The energy-intensive process used to create them, particularly the HPHT method, can still have a carbon footprint.

Durability: How Long Do They Last?

In terms of durability, lab-grown diamonds are just as long-lasting as natural diamonds.

Both types of diamonds have the same hardness, meaning they are incredibly resistant to scratches and everyday wear and tear.

Whether you choose a lab-grown or natural diamond, rest assured that your stone will maintain its brilliance for a lifetime.

Lab-grown diamonds do not discolour, fade, or lose their shine, making them an excellent choice for heirloom-quality jewellery.

Resale Value: Which Holds Its Value Better?

When it comes to resale value, natural diamonds have a slight edge.

Due to their rarity and historical prestige, natural diamonds are generally seen as a better investment.

They tend to hold their value more effectively over time and can even increase in worth depending on the diamond market.

Lab-grown diamonds, while more affordable initially, do not retain the same resale value.

As lab-grown diamonds become more common, their value on the second-hand market may continue to decrease.

If you're looking to buy a diamond primarily as an investment, a natural diamond may be the better choice.

Emotional and Sentimental Value

Beyond the technical differences, diamonds often hold emotional and sentimental value, particularly for engagement rings and special gifts.

Natural diamonds are often viewed as timeless and steeped in tradition, with their billions of years of history adding to their mystique.

However, lab-grown diamonds are increasingly gaining appeal, especially among eco-conscious buyers and those seeking a modern alternative.

They represent technological innovation and offer an ethical option without compromising on beauty.

Ultimately, the sentimental value of a diamond is personal, and whether you choose a lab-grown or natural diamond, it’s the memories and meanings you attach to it that make it truly special.

Popular Uses for Lab Grown vs Natural Diamonds

Both lab-grown and natural diamonds are used in a wide range of jewellery, from engagement rings to fashion pieces.

Lab-grown diamonds are particularly popular in modern, minimalist designs, as they allow for larger stones at more accessible prices.

Explore various cuts like princess lab-grown diamonds or emerald lab-grown diamonds to see some beautiful options.

Natural diamonds continue to dominate the high-end market, particularly in luxury pieces where rarity and tradition are prized.

Buying Guide: Choosing the Right Diamond for You

When choosing between a lab-grown or natural diamond, there are a few key factors to consider:

• Budget: If you're looking for a more affordable option, lab-grown diamonds offer great value without compromising on quality.
• Sustainability: For eco-conscious buyers, lab-grown diamonds tend to have a smaller environmental footprint.
• Resale value: If you're thinking of diamonds as an investment, natural diamonds may be the better option for long-term value.
• Emotional significance: Both types of diamonds have their own unique appeal, so choose what resonates most with you and your values.

FAQs

Are lab-grown diamonds real diamonds?

Yes, lab-grown diamonds are real diamonds. They have the same chemical composition, physical properties, and brilliance as natural diamonds. The only difference is their origin.

Can you tell the difference between lab-grown and natural diamonds?

Visually, no. Both lab-grown and natural diamonds look identical to the naked eye. Only specialised equipment can detect the differences in their inclusions or growth patterns.

Are lab-grown diamonds cheaper than natural diamonds?

Yes, lab-grown diamonds are typically 30% to 40% cheaper than natural diamonds due to the lower production costs and the fact they are not as rare.

Which is more eco-friendly, lab-grown or natural diamonds?

Lab-grown diamonds are generally considered more eco-friendly as they do not require mining. However, they still require a significant amount of energy to produce.

Do lab-grown diamonds hold their value?

Lab-grown diamonds do not retain their value as well as natural diamonds. If resale value is important to you, natural diamonds may be the better investment.

See the numbers for yourself: our natural vs lab-grown diamond price comparison matches any diamond in our stock with its lab-grown twin, so you can see the exact saving.