Lab Grown vs Mined Diamond: Can You Spot The Real One?

With an increasing demand for jewellery crafted with lab grown diamonds, it’s no surprise that many people have questions about the difference between lab and mined diamonds. There has also been a lot of debate about whether a lab grown diamond is a “real” diamond.

But before we dive deeper into answering the differences between mined vs lab diamonds, let’s first recap what we know about these gems.


Lab grown vs mined diamonds

As you can tell by the name, mined diamonds were formed deep in the earth under extreme pressure and high temperature for as long as three billion years ago. These diamonds are brought to the surface through volcanic activity, waiting to be mined.

On the other hand, lab grown diamonds are the product of science and technology – specifically two methods: high pressure, high temperature (HPHT) and chemical vapour deposition (CVD). HPHT diamonds replicate the process of how mined diamonds are formed in the earth. For CVD diamonds, it involves breaking down the molecules of carbon-rich gas so pure carbon can attach itself to the diamond seed, resulting in the growth of a new diamond.

Put a mined and lab grown diamond next to one another – chances are you won’t be able to tell which one is which. That’s because they are both diamonds– real ones. They are both essentially pure carbon, they have the same natural inclusions and the same clarity grades. So, what’s the difference between a mined diamond and a lab grown diamond? The only difference is their origin.


It is impossible for the human eye to identify the difference between mined vs lab diamonds. But even if you take a closer look in-depth, no such distinction exists in terms of physical properties, chemical makeup and visual appearance.

On the other hand, diamond simulants such as moissanite and cubic zirconia are designed to replicate the look of diamonds – but they are not made solely of carbon crystals. Lab grown diamonds are not only grown from a carbon seed, but they are also formed using cutting-edge technology that replicates the natural diamond growing process. This makes lab grown diamonds as real as mined diamonds.


Which diamond to buy?

Another notable difference is the cost. Lab grown diamonds usually cost about 30% less than mined diamonds of comparable size and quality. While both diamonds have the same costs when it comes to cutting, polishing and inspection, the price difference comes from the processes involved – especially the heavy cost of mining.

So if you’re looking to save some cash or splurge for a bigger carat when shopping for your engagement ring, lab grown diamonds present a better choice – they are every bit as luxurious and dazzling since their fire and brilliance are the same vs mined diamonds.

Lab grown diamonds also go through the same 4C grading process as mined diamonds. Not only are consumers informed of what they are buying, but they can also be assured of the quality of the diamond they choose. The certification will also include whether a diamond is mined or lab grown.


Star Carat Diamond

Cultivated using state-of-the-art technology, the Star Carat line of lab grown diamonds was launched to offer greater sparkle without breaking the bank. As this gem was grown in the lab and not mined, it provides an eco-friendlier alternative for conscious customers who can now have their dream diamond jewellery for special occasions.

SK Jewellery’s Star Carat diamonds are GIA-certified and categorised as Type IIA – reserved for only 1-2% of the world’s most chemically pure diamonds. The other good news: for a typical 1-carat diamond ring price, you can save up to 40% off compared to mined diamonds or get a bigger carat for the same price.


AllStar Diamond

Newly launched on 1st October 2021, our latest AllStar Diamond collection offers more brilliance, more scintillation and more fireworks display. The first of its own, it presents 101 facets – each one cut with the most precision to shine brilliantly under all light conditions.

Expect an explosion of fireworks display from every major and minor facet as the diamond sparkles on your hand. If you’re looking for a lab grown diamond with value, fire and brilliance, our new AllStar Diamond won’t disappoint you.


To answer the original question, it’s impossible to tell the difference between a lab grown diamond and a mined diamond with the naked eye. We’ve also established that lab grown diamonds share the same properties and undergo the same grading process as mined diamonds, making them equally the real deal too.

For the benefit of your wallet and the environment, it often makes more sense to opt for a value-for-money lab grown diamond engagement ring and/or wedding band that can still give you an impressive sparkle.

Take a look at SK Jewellery’s Star Carat and AllStar Diamond collections for your dream sparkle! If you’re shopping for an engagement ring or a wedding band with lab grown diamonds, check out our handy ring size chart online to find the ideal fit. You can also enjoy a complimentary consultation with our friendly staff when you schedule an appointment at any of our SK Jewellery showrooms!

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