Lab-Grown Diamonds vs Natural Diamonds – How to Tell Them Apart

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Lab Grown Diamond Engagement Ring

Photo credit Bill Oxford

What are lab-grown diamonds?

Lab-grown diamonds are also known as lab-created or man-made diamonds. They provide an affordable alternative to natural diamonds.

Lab-grown diamonds are made in a laboratory. Recent technology, means diamonds can be grown under similar conditions responsible for the creation of natural diamonds.

In appearance and physical composition, lab-grown diamonds look identical to natural diamonds. In fact, they are impossible to tell apart.

Lab-grown diamond engagement ring

Are lab-grown diamonds real diamonds?

A common misconception suggests lab-created diamonds are fake diamonds. This is not true. They bear the same physical composition as a natural, mined diamond.

Why are man-made diamonds popular?

The popularity of lab-grown diamonds comes from their price. Many lab-grown diamond engagement rings cost less than the equivalent natural diamond ring. In addition, media coverage has focused more attention on lab-created diamonds in recent years.

Are laboratory-grown diamonds ethical?

Another merit of lab-grown diamonds comes from the ethical status of a lab-grown diamond. Since they come from a laboratory, this avoids the environmental impact of mining. For this reason, many label laboratory-grown diamonds as 100% ethical diamonds.

However, few producers comment on the carbon footprint involved in making a diamond.

A natural diamond choice we offer includes CanadaMark diamonds. We consider this the only 100% ethical natural diamond choice. In addition, the CanadaMark brand concentrates on the environmental impact as part of its mission. 

How much are lab-grown diamonds?

Like natural diamonds, man-made diamonds vary in cost. Prices differ depending on the size, colour and clarity of the diamond. Also, prices vary from supplier to supplier. Also, prices vary from retailer to retailer.

Based on one of our recent commissions, the following prices show a comparison of price between lab-grown and natural diamonds.

Comparing the price of a lab-grown diamond engagement ring to a natural diamond engagement ring

Are lab-grown diamonds more expensive or less expensive? See our comparison from a recent engagement ring created for our client. 

Natural diamond – £11,200 for the finished ring. (Platinum, 1 carat diamond F VS1 Excellent cut)

Lab-created diamond – £4000 for the finished ring. (Platinum, 1 carat diamond F VS1 Excellent cut)

Where to buy a man-made diamond?

We provide many of our diamond rings set with lab-grown diamonds. This service is only available on request. Each lab-grown diamond ring goes through our bespoke service. We source, handcraft and create each ring to order. As a guide, most commissions take 4 weeks to complete.

Example of a lab-grown diamond engagement ring

Lab-grown diamond colours and sizes available

At Serendipity Diamonds, we offer clients amazing lab-grown diamonds in white, pink, yellow and blue colours in most diamond shapes.

Our lab-created diamonds fall within D-K colours with clarity grades between Internally Flawless and SI2.

We offer many sizes ranging from 0.01ct (1.3mm) to over 5 carats in size.

From 0.30 carats, diamonds come with a diamond certificate from the International Gemological Institute (IGI).

All of our lab-created diamonds are certified and laser inscribed with the certificate number. In addition an inscription to note it as a laboratory grown diamond.

How to identify a lab-grown diamond from a natural diamond?

lab-grown diamonds include a laser inscription on the girdle to identify them as lab created diamonds

Photograph showing the lab-grown diamond inscription on the side of a recent commission.

Under magnification, our lab-grown diamonds can be identified by a unique laser inscription. Applied to the outer girdle, the certificate number and reference appear.

To the naked eye, this inscription remains invisible. But this appears under the lens of an inscription reader, loupe, or magnifying lens.

Find the inscription reader on our tools collection of our shop

lab grown diamond inscription reader

Mark Johnson

About Mark Johnson

Mark attended Liverpool University and went on to pursue a career in the diamond industry. After more than a decade working in polished diamonds, Mark moved to the Isle of Wight where he launched Serendipity Diamonds. He works most days from their busy Ryde showroom, photographing jewellery and writing for the Serendipity Diamonds website.

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