All You Need to Know About Lab-Grown Diamonds

Shining Bright: All You Need to Know About Lab-Grown Diamonds.

Diamonds have long been considered a symbol of luxury and elegance. However, the process of mining natural diamonds comes with its fair share of ethical and environmental concerns. That’s where lab-grown diamonds come in. These dazzling gems are created in a controlled laboratory environment, offering a sustainable and socially responsible alternative to their natural counterparts. In this comprehensive guide, we will explore everything you need to know about lab-grown diamonds – from their creation process and characteristics to their affordability and ethical advantages. Join us as we delve into the fascinating world of lab-grown diamonds and discover why they are becoming an increasingly popular choice for those seeking both stunning beauty and conscious consumption.

1. What are lab-grown diamonds?

Lab-grown diamonds, also known as synthetic or cultured diamonds, are diamonds that are created in a laboratory setting rather than being naturally formed deep within the Earth’s crust. Although they are not mined like natural diamonds, lab-grown diamonds have the same physical, chemical, and optical properties as their natural counterparts. The process of creating lab-grown diamonds involves replicating the conditions found in the Earth’s mantle, where natural diamonds are formed. High-pressure and high-temperature (HPHT) or chemical vapor deposition (CVD) methods are used to create these diamonds in a controlled environment. These methods involve growing a diamond crystal from a tiny diamond seed or a carbon-rich gas. One of the key advantages of lab-grown diamonds is their ethical and sustainable nature. Unlike natural diamonds, which often come with concerns about environmental impact and ethical mining practices, lab-grown diamonds are created in a controlled laboratory environment, minimizing the negative impact on the Earth and eliminating the potential for human rights issues. Lab-grown diamonds also offer consumers a wider range of options in terms of size, shape, and colour. Traditional diamonds are limited to what nature provides, whereas lab-grown diamonds can be customized to meet specific requirements. This flexibility allows individuals to choose a diamond that suits their preferences and style. It is important to note that lab-grown diamonds are certified by reputable gemmological laboratories and are subject to the same standards of quality and grading as natural diamonds. They are visually indistinguishable from natural diamonds and can even be more affordable, making them an attractive alternative for those seeking the beauty and brilliance of diamonds at a more accessible price point. In conclusion, lab-grown diamonds are a fascinating and sustainable alternative to natural diamonds. They offer the same beauty, durability, and value while addressing concerns related to environmental impact and ethical sourcing. Whether you choose a lab-grown diamond for its ethical appeal, affordability, or customization options, these diamonds are a shining example of innovation in the jewellery industry.

2. The creation process of lab-grown diamonds

The creation process of lab-grown diamonds is a fascinating and innovative one. Unlike natural diamonds that are formed deep within the earth over millions of years, lab-grown diamonds are created in a controlled environment using advanced technology. The process starts with a tiny diamond seed, which is placed in a chamber that is filled with carbon-rich gases. These gases are then heated to extreme temperatures, creating a plasma environment. As the carbon atoms are energized, they begin to crystallize and form layer upon layer around the diamond seed. Over time, the carbon atoms bond together, replicating the natural diamond growth process. This process is known as Chemical Vapor Deposition (CVD) or High Pressure High Temperature (HPHT) method. The result is a lab-grown diamond that possesses the same physical, chemical, and optical properties as a natural diamond. It is important to note that the growth process can take several weeks to several months, depending on the desired size and quality of the diamond. Once the growth is complete, the lab-grown diamond is then carefully cut, polished, and graded by experts to ensure its quality and beauty. The creation process of lab-grown diamonds showcases the incredible advancements in science and technology, offering a sustainable and ethical alternative to natural diamonds.

3. Characteristics and quality of lab-grown diamonds

Lab-grown diamonds have gained significant popularity in recent years for their remarkable characteristics and quality. These diamonds are created through advanced technological processes that replicate the natural diamond-growing conditions found deep within the Earth. One of the most fascinating aspects of lab-grown diamonds is that they possess the same physical and chemical properties as natural diamonds. They have the same brilliance, sparkle, and hardness, making them indistinguishable to the naked eye. When it comes to assessing the quality of lab-grown diamonds, the same criteria used for natural diamonds applies. The 4Cs – carat weight, colour, clarity, and cut – are used to evaluate and determine the value of these lab-grown gems. Carat weight refers to the size of the diamond and is measured in metric carats. Colour is graded on a scale from D to Z, with D being colourless and Z having a yellow or brown hue. Clarity refers to the presence of any internal or external flaws, and it is categorized from Flawless to Included. Lastly, the cut determines the diamond’s proportions, symmetry, and overall appearance. Lab-grown diamonds offer consumers a wider range of options in terms of size, colour, and clarity compared to natural diamonds. They can be found in a variety of colours, including traditional white, as well as fancy colours like yellow, pink, and blue. Additionally, lab-grown diamonds often have fewer inclusions and blemishes, leading to higher clarity grades. Furthermore, lab-grown diamonds are ethically and environmentally responsible. Their production eliminates the need for diamond mining, which can have significant environmental impacts. Additionally, these diamonds are conflict-free, as they are not associated with any unethical practices or human rights abuses. In conclusion, lab-grown diamonds possess exceptional characteristics and quality that rival their natural counterparts. They offer consumers a sustainable and ethical alternative, allowing them to shine bright while making an environmentally conscious choice. Whether you’re looking for a classic white diamond or a vibrant fancy colour, lab-grown diamonds provide a dazzling and responsible option for all diamond lovers.

4. The affordability and cost comparison of lab-grown diamonds

When it comes to affordability, lab-grown diamonds are a game-changer in the world of jewellery. Compared to natural diamonds, lab-grown diamonds are typically priced at a fraction of the cost. This is because the process of creating lab-grown diamonds is more controlled and efficient, resulting in lower production costs. The cost comparison between lab-grown and natural diamonds is quite significant. In fact, lab-grown diamonds can be up to 40% less expensive than their natural counterparts. This means that individuals who may have previously been unable to afford a diamond can now enjoy the beauty and elegance of a lab-grown diamond within their budget. It’s important to note that the price of a lab-grown diamond is determined by its size, colour, cut, and clarity, just like natural diamonds. However, due to the lower production costs, you can often get a larger or higher quality lab-grown diamond for the same price as a smaller or lower quality natural diamond. Additionally, the cost of lab-grown diamonds is more stable compared to natural diamonds. Natural diamonds are influenced by various factors such as market demand, mining conditions, and availability, which can cause prices to fluctuate. On the other hand, the pricing of lab-grown diamonds remains more consistent and predictable. Choosing a lab-grown diamond not only provides a more affordable option but also aligns with ethical and sustainable practices. With lab-grown diamonds, you can have a stunning, high-quality diamond without breaking the bank or compromising on your values.

Difference Between Natural and lab grown Diamonds?

Natural diamonds are formed deep within the Earth’s crust over millions of years. They are created through a natural process involving intense heat and pressure, causing carbon atoms to crystallize into the diamond structure. The diamonds are then mined from the Earth’s surface or extracted from underground mines.

On the other hand, lab-grown diamonds, also known as synthetic or man-made diamonds, are created in a laboratory setting. Scientists replicate the natural diamond-growing process by using various techniques, such as High Pressure High Temperature (HPHT) or Chemical Vapor Deposition (CVD). These methods simulate the conditions necessary for diamond growth, allowing carbon atoms to form into diamond crystals over a shorter period, typically a few weeks to a few months.

One of the key differences between natural and lab-grown diamonds is their origin. Natural diamonds have been formed naturally underground over a significant period, while lab-grown diamonds are created in controlled laboratory environments. This distinction has implications for their environmental impact and ethical considerations.

In terms of composition, both natural and lab-grown diamonds are chemically identical. Both consist of carbon atoms arranged in a crystal lattice structure, giving them their exceptional hardness and brilliance. Gemmological laboratories use advanced technology to identify the origin of a diamond and determine whether it is natural or lab-grown.

It is important to note that lab-grown diamonds offer a more sustainable and ethical alternative to natural diamonds. They have a significantly lower environmental impact as they do not require extensive mining operations. Additionally, lab-grown diamonds are not associated with the ethical concerns related to the diamond industry, such as human rights violations or funding conflict.

However, natural diamonds have a certain allure and appeal due to their rarity and natural origin. They often carry sentimental value and are traditionally associated with luxury and prestige.

Ultimately, the choice between natural and lab-grown diamonds depends on personal preferences, ethical considerations, and budget. Both types offer their own unique characteristics and benefits, allowing consumers to make an informed decision based on their individual priorities.

Difference Between Natural and lab grown Diamonds?

Lab-grown diamonds are typically cheaper than natural diamonds for a few reasons. Firstly, the cost of mining natural diamonds is significantly higher compared to the production process of lab-grown diamonds. Mining involves extensive exploration, excavation, and processing, which requires substantial investments in labor, machinery, and infrastructure. On the other hand, lab-grown diamonds are created in controlled laboratory environments using advanced technology, which eliminates the need for expensive mining operations.

Another factor contributing to the lower cost of lab-grown diamonds is the time it takes for a natural diamond to form. Natural diamonds are formed deep within the Earth’s mantle over millions of years through immense heat and pressure. This geological process leads to rarity, making natural diamonds more valuable. In contrast, lab-grown diamonds can be produced within a matter of weeks or months, which significantly reduces the production time and cost.

Furthermore, the supply chain of natural diamonds involves multiple intermediaries, including miners, cutters, wholesalers, and retailers, each adding their own markups along the way. This complex supply chain contributes to the higher retail prices of natural diamonds. In contrast, lab-grown diamonds have a shorter and more simplified supply chain, often leading to lower prices for consumers.

It’s important to note that while lab-grown diamonds may be cheaper, they possess the same physical and chemical properties as natural diamonds. They are optically and chemically identical, and often indistinguishable to the naked eye. The main difference lies in their origin, with lab-grown diamonds being created in a laboratory setting rather than being mined from the Earth.

Overall, the combination of lower production costs, shorter production time, and simplified supply chain contribute to the affordability of lab-grown diamonds compared to their natural counterparts.

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All of our diamond jewellery is handmade. Depending on certain factors, production times may vary. However, the list below gives a better indication of how long each item takes to create.

Solitaire Items

Solitaire items. Solitaire Engagement Rings, Diamond Stud Earrings, Solitaire Pendants – Approximately 2-3 Business Weeks*

Multi Stone Jewellery

Shoulder Rings, Halo Rings, Bridal Rings, Trilogy Rings, Eternity Rings, Diamond Wedding Bands – Approximately 3-4 Business Weeks*

Diamond Bracelets, Bangles and more

Please allow approximately 5-6 business weeks for diamond bracelets, bangles and other multi-stone jewellery*

Stock Items

Delivery time for in-stock items is approximately 3-5 business days, depending on payment method. Contact us for details*

*All diamond jewellery creation times are approximate. We will always try to deliver within these timeframes. However, since each item is handmade one by one, delivery times may vary slightly. We will keep you informed of any changes. Diamond Haven accepts no responsibility for changes in delivery times

Premier Jewellers offers free delivery on all jewellery purchases to all UK based customers. Our jewellery will be sent to you by Royal Mail special next day delivery. Your item is fully insured in transit and must be signed upon delivery. Make sure you or someone you trust can be present and sign the item. If you are not at the address at the time of delivery, your package will be forwarded to your local sorting station. I will keep your business card.

The first step you should take is to check our inventory range. We have thousands of items available for our “Fast Shipping” service, which can be delivered within one business week.

If you need an item by a certain date, please let your sales representative know in-store or, if ordering online, check your email for your order number and inform us by email.

Please note that this may not be possible depending on your specific requirements. However, we will continue to keep our customers informed and try our best to delivery at the requested date.

Our customers can arrange collection at any of our branches. This can be done at the shopping cart stage of your purchase or by emailing for your chosen date.

Please Note: You must present your order invoice and ID upon collection. If you do not present it, you will not be able to bring the product. If collection is not arranged, it cannot be taken home. It is possible to collect from Monday to Saturday. Pickups are generally not possible on Sundays.


In the unlikely event that you are not satisfied with the product, you are entitled to a 30-day money-back guarantee from the date you receive your jewellery. The same applies to defective products. We also give our customers the option to exchange the product if they find something else they like.

Please Note: This guarantee is for Online purchase not in-store purchasing.

Please contact us at and let us know that you would like to return the item.

You will receive a return number. We will also email you a return form to complete. You can also attach a cover letter if desired.

Make sure your package destination is:

Premier Jewellers

5Hatton Garden

London EC1N 8AA

Merchandise must be returned in its original packaging and with all original documentation. Failure to return the package or other documentation may result in a delay in your refund or a reduction in the refund amount.

After completing these steps, please return the item to us using a reputable postal service or courier. Please note that you are responsible for return shipping costs and an appropriate amount of merchandise insurance in transit. Diamond Heaven is not responsible for any loss or damage in transit to us.

Please send an email with the shipping date and tracking number to so we can track your package. As soon as the product arrives at our shop, we will confirm the return or exchange by e-mail.

*Please do not write “Diamond” in the shipping address.

After receiving the returned item, our returns department will inspect the item before refunding. Refunds are not available if the item shows signs of wear, is damaged, has been resized by another jewellery store, or has been mishandled in any way.

Refunds will not be accepted for items that are missing diamonds or have damage that the customer is unaware of. Our artisans are among the nation’s most qualified jewelers and all items are thoroughly inspected before dispatch.

Once the return is approved, it may take him 8-10 business days for the funds to appear in his/her account.

If you are unsure if your purchase qualifies for our 30 day money back guarantee, please contact us at or 02074047473.

Bespoke Items – Specially ordered jewellery is non-refundable. If during your work, there were several points where you needed to approve the CAD design and make changes.

Engraved Items – Engraved jewellery is personalized, cannot be resold and is not eligible for refunds.

Worn or Damaged items- Any jewellery that has been clearly worn or has suffered damage, whatever that may be whilst in your possession.


Premier Jewellers has been trading for over 25 years in Hatton Garden

All our jewellery is handmade in the Hatton Garden to your personal requirements. Every thing is made inhouse in our work shop.

We are currently located in 5 Hatton Garden, London EC1N 8AA. We are 2 minute walk from Chancery Lane Tube Station.

No Booking Needed, you can just walk-in. However, whilst it is not necessary to book an appointment, if you have a specific item you would like to view, we recommend making a booking to ensure we have your desired item in store to view.

All of our stores stock large quantities of all certified and natural & Lab-Grown diamonds for your viewing. However its better to get in touch if you would like to see a specific item.

After Sales Care?

Our workshop in the Hatton Garden, London offers a comprehensive aftercare plan. We inspect and evaluate your jewellery purchase for free, and we can polish/calibrate/repair your jewellery on a regular basis for a small fee.

Yes you can, please do get in touch with our team.

Please contact your local store or website team. There is an additional charge for ring resizing.


We accept all major debit and credit cards including Visa and MasterCard. You can place your order directly on our website or Visit our Store. Credit card payments can only be sent to your billing address. If you cannot send to this address, you will need to call and discuss.

For big purchases it might be safer and convenient to pay with a bank transfer. You do not need to enter your card details into the payment system for this. If you prefer to shop this way, follow the checkout process and select “Bank Transfer” from the payment options. Once we receive your order, we will send you all the details related to the transfer.

Please Note: Your order will not be processed until your bank has received your payment. For large orders, we may ask you to make a bank transfer for security reasons.

We accept PayPal and several major electronic payment providers. You can see what is available at checkout.
Please Note: Your order will not be processed until your bank has received your payment. For large orders, we may ask you to make a bank transfer for security reasons.

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Professional appraisals, also known as insurance appraisals, are available for all jewellery purchased at Premier Jewellers. This details all aspects of the jewellery along with the suggested retail price (SRP) for insurance purposes. Rest assured that your beautifully handcrafted diamond jewellery is covered by your preferred company’s insurance.

We strongly recommend that you insure your jewellery with a reputable insurance company. Even in the worst case, you can rest easy knowing that any trouble with your jewellery it can be replaced without too much hassle.