How Much do Lab-Grown Diamonds Cost? How to Buy Cheap Lab-Grown Diamonds?

Lab-grown diamonds, offering an ethical and cheaper alternative to mined diamonds, have revolutionized the gemstone market in the UK and globally. Created in labs with cutting-edge technology, they mirror the natural diamond-growing process.

Advantages of Lab-Grown Diamonds

Eco-Friendliness and Ethics: One of the most significant advantages of lab-grown diamonds is their minimal environmental impact compared to traditional diamond mining, which often disrupts ecosystems, depletes natural habitats, and can lead to labor and human rights issues. Lab-grown diamonds require less land and water, reducing the ecological footprint. Moreover, the controlled manufacturing process ensures there are no ethical dilemmas associated with conflict diamonds, providing consumers peace of mind about the origins of their purchases.

Cost-Effectiveness: Lab-grown diamonds present a more affordable option, generally costing 30-40% less than mined diamonds. This price advantage makes them accessible to a broader audience, allowing buyers to purchase larger or higher quality stones for the same budget. Additionally, the decreasing cost of production technology may lead to further reductions in prices in the future.

Quality and Variety: Technological advancements ensure that lab-grown diamonds meet high-quality standards with remarkable consistency. Producers can also replicate conditions that create rare colors and clarity seen less frequently in nature, offering a wider variety of choices. Consumers can find unique shades and crystal clear diamonds more easily, catering to a diverse range of preferences.

Innovation and Technology: The process of creating diamonds in a lab setting is continually evolving, leading to innovations not only in the quality and characteristics of the diamonds produced but also in the sustainability of their production. New technologies are making it possible to generate diamonds faster and more efficiently, which may lead to broader applications in other industries beyond jewelry, such as in high-precision electronics and cutting tools.

Guaranteed Origin: Each lab-grown diamond can be traced back to its production facility, ensuring a clear and transparent chain of custody. This traceability is increasingly important to consumers who prioritize ethical considerations in their purchasing decisions. This level of transparency is difficult to achieve with mined diamonds, where tracing the exact mine of origin is often murky.

These advantages make lab-grown diamonds a compelling choice for environmentally conscious and ethically minded consumers, offering a harmonious blend of technology, affordability, and sustainability.

Average Costs of Lab-Grown Diamonds

The cost of lab-grown diamonds in the UK depends on several factors, including the diamond’s size, cut, clarity, and color. Here’s a more detailed look at average prices across different categories, reflecting the diverse options available to consumers:

1. Under 0.50 Carats: These smaller diamonds are perfect for delicate jewelry settings. Prices typically range from £200 to £500, making them an excellent choice for buyers on a budget or looking for side stones.

2. 0.50 to 0.75 Carats: Ideal for engagement rings and other significant jewelry pieces, these diamonds cost between £500 and £900. They strike a balance between size and affordability, appealing to a wide range of consumers.

3. 1 Carat: The most popular size for engagement rings, 1-carat lab-grown diamonds in the UK generally range from £1,000 to £2,000. This category offers a significant visual presence without an exorbitant price tag.

4. 1.5 Carats: As the carat weight increases, so does the price. For a 1.5-carat lab-grown diamond, prices can range from £1,800 to £3,500, depending on the specific quality attributes like cut and clarity.

5. 2 Carats: These larger diamonds are often sought for their impressive appearance and are typically priced between £2,000 and £4,000. They are suitable for statement pieces and luxury jewelry.

6. Fancy Colored Diamonds: Lab-grown technology also enables the production of colored diamonds at a fraction of the cost of their natural counterparts. Prices for pink, blue, or yellow lab-grown diamonds range from £1,500 to £3,000 per carat, depending on the saturation and desirability of the color.

7. Rare Cuts and Shapes: Diamonds with unique cuts such as Asscher, Cushion, or Emerald are priced differently due to their cutting complexity and the demand for these shapes. For instance, an Emerald cut lab-grown diamond may cost between £1,200 and £2,500 for 1 carat, reflecting the premium associated with less common cuts.

These price ranges illustrate how lab-grown diamonds provide flexibility and accessibility in the UK market, allowing consumers to choose diamonds that fit their budget while still enjoying the beauty and durability synonymous with diamonds.

Strategies for Buying Cheap Lab-Grown Diamonds

To secure the best deals on lab-grown diamonds in the UK, consider these detailed and effective strategies:

1. Compare Online and In-store Prices: Start by comparing prices from both online retailers and physical stores. Online stores usually offer better deals due to lower overhead costs. For example, a 1-carat lab-grown diamond that may cost around £2,000 in a physical store could be available for about £1,800 online.

2. Opt for Slightly Lower Clarity or Color Grades: Choosing diamonds with a slightly lower clarity (e.g., SI instead of VVS) or color grade (e.g., H instead of D) can significantly reduce costs without a noticeable difference in appearance. This could lower the price of a 1-carat diamond to approximately £1,500.

3. Buy Just Below Standard Carat Weights: Diamonds priced at popular carat weights (like 1 or 1.5 carats) carry a premium. Purchasing a diamond that is slightly under—such as 0.95 instead of 1 carat—can offer a perceptible price drop, potentially saving you up to 10-15%.

4. Check for Seasonal Sales and Discounts: Take advantage of sales during major holidays like Christmas, Valentine’s Day, or Black Friday. Retailers often offer significant discounts during these periods, which can lead to savings of 20-30% on various diamond sizes.

5. Consider Alternative Diamond Shapes: Less popular shapes such as pear, marquise, or oval are generally priced lower than round or princess cuts. Choosing these shapes can save approximately 20% on the cost. For instance, an oval-shaped 1-carat diamond might cost around £1,400 compared to £1,800 for a round diamond of similar quality.

6. Use Financing Options Wisely: Some jewelers offer financing options with 0% interest for a certain period. If you can pay off the diamond within that time, you effectively avoid paying more than the sticker price, making it a cost-effective way to manage larger purchases.

7. Subscribe to Retailer Newsletters and Alerts: Many diamond retailers send exclusive offers and alerts about upcoming sales to their newsletter subscribers. Signing up can give you early access to sales and special promotions, providing opportunities to purchase at lower prices.

8. Look for Trade-in and Upgrade Programs: Some jewelers offer programs where you can trade in your diamond for a larger or higher-quality one later on, while receiving credit for the full amount of your original purchase. This is a strategic way to step up your diamond game without paying the full price upfront for a larger stone.

By applying these strategies, buyers in the UK can find quality lab-grown diamonds at more affordable prices, making it easier to choose a beautiful diamond that fits both their style and budget.

Lab-Grown Diamonds Clearance Sale Near You

For those in the UK seeking great deals on lab-grown diamonds, clearance sales can be a treasure trove of savings. Here are ten locations across the country where you might find significant discounts:

1. London, Hatton Garden: Renowned for its extensive range of jewellers, Hatton Garden frequently hosts clearance events where you might find lab-grown diamonds starting as low as £750 for a 1-carat diamond.

2. Birmingham, Jewellery Quarter: This historic area is known for its skilled jewellers and competitive pricing. Clearance sales here could see prices drop to around £700 for 1-carat lab-grown diamonds.

3. Manchester, Northern Quarter: Known for trendy shops and artisan goods, the Northern Quarter also hosts jewelers with periodic sales, offering substantial discounts on lab-grown diamonds, potentially around £800 for 1-carat stones.

4. Glasgow, Argyll Arcade: Scotland’s premier shopping destination for jewellery, offering periodic clearance sales where 1-carat lab-grown diamonds can be found for about £800.

5. Edinburgh, George Street: This upscale shopping street sometimes offers clearance deals on high-quality lab-grown diamonds, with prices starting from £850 for 1-carat diamonds.

6. Leeds, Victoria Quarter: Look for end-of-season sales where lab-grown diamonds may be discounted by up to 25%, with 1-carat diamonds going for around £750.

7. Bristol, Clifton Village: A hub for boutique jewellers who may offer clearance sales, especially during off-peak shopping seasons, with potential savings on 1-carat diamonds priced around £800.

8. Newcastle, Eldon Square: This shopping area features several jewellers who periodically offer clearance prices on lab-grown diamonds, potentially under £800 for 1 carat.

9. Sheffield, Fargate Shopping Street: Known for its range of retail options, including jewellers who might offer competitive clearance deals on lab-grown diamonds, perhaps as low as £750 for 1 carat.

10. Liverpool, Liverpool ONE: A modern shopping complex with several jewellers that may host clearance sales, offering 1-carat lab-grown diamonds for around £800.

These clearance sales provide a fantastic opportunity for savvy shoppers to purchase high-quality lab-grown diamonds at reduced prices. It’s advisable to check the specific timing and availability of these sales, as they can vary greatly throughout the year and may be aligned with particular events or seasons.


Lab-grown diamonds in the UK present a cost-effective, ethical, and high-quality alternative to mined diamonds. By utilizing strategic buying methods, such as engaging with online sales, opting for less popular cuts, and taking advantage of clearance sales, consumers can enjoy the luxury of diamonds at a more accessible price point. Whether for an engagement ring or a personal treat, lab-grown diamonds offer all the splendor without the ethical and financial cost of traditional diamond mining.