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Loose Lab-Grown Diamonds

Choose from thousands of loose lab-grown diamonds, created with 100% solar energy. Every shape, from round brilliant and oval to pear, emerald, cushion, radiant, marquise, princess and heart, in colourless D to J grades and rare fancy colours, from under half a carat to over 5 carats, priced from £220. Use the filters to narrow down by shape, carat, colour, clarity and price.

Shop by carat: under 1 carat, 1 carat, 1.5 carat, 2 carat or 3 carat and above.

Read our buying guide below ↓

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2351 products

3.08ct Radiant lab-grown diamond, E VS13.08ct Radiant lab-grown diamond, E VS1 – 360° view
3.08 Carat Radiant Lab Diamond, E VS1, IGI Sale price£1,010.00
3.09ct Radiant lab-grown diamond, E VS13.09ct Radiant lab-grown diamond, E VS1 – 360° view
3.09 Carat Radiant Lab Diamond, E VS1, IGI Sale price£1,020.00
0.76ct Pear lab-grown diamond, D VS10.76ct Pear lab-grown diamond, D VS1 – 360° view
0.76 Carat Pear Lab Diamond, D VS1, IGI Sale price£340.00
1.09ct Pear lab-grown diamond, E VS11.09ct Pear lab-grown diamond, E VS1 – 360° view
1.09 Carat Pear Lab Diamond, E VS1, IGI Sale price£400.00
0.74ct Emerald lab-grown diamond, D VS20.74ct Emerald lab-grown diamond, D VS2 – 360° view
0.74 Carat Emerald Lab Diamond, D VS2, IGI Sale price£350.00
1.41ct Pear lab-grown diamond, E VS11.41ct Pear lab-grown diamond, E VS1 – 360° view
1.41 Carat Pear Lab Diamond, E VS1, IGI Sale price£500.00
1.95ct Pear lab-grown diamond, D VS11.95ct Pear lab-grown diamond, D VS1 – 360° view
1.95 Carat Pear Lab Diamond, D VS1, IGI Sale price£720.00
1.52ct Princess lab-grown diamond, D VS21.52ct Princess lab-grown diamond, D VS2 – 360° view
1.52 Carat Princess Lab Diamond, D VS2, IGI Sale price£570.00
2.07ct Oval lab-grown diamond, D VS12.07ct Oval lab-grown diamond, D VS1 – 360° view
2.07 Carat Oval Lab Diamond, D VS1, IGI Sale price£760.00
1.09ct Radiant lab-grown diamond, D VS21.09ct Radiant lab-grown diamond, D VS2 – 360° view
1.09 Carat Radiant Lab Diamond, D VS2, IGI Sale price£420.00
3.01ct Emerald lab-grown diamond, E VVS23.01ct Emerald lab-grown diamond, E VVS2 – 360° view
3.01 Carat Emerald Lab Diamond, E VVS2, IGI Sale price£1,030.00
2.08ct Radiant lab-grown diamond, E VVS22.08ct Radiant lab-grown diamond, E VVS2 – 360° view
2.08 Carat Radiant Lab Diamond, E VVS2, IGI Sale price£740.00
2.04ct Oval lab-grown diamond, E VVS12.04ct Oval lab-grown diamond, E VVS1 – 360° view
2.04 Carat Oval Lab Diamond, E VVS1, IGI Sale price£740.00
6.06ct Radiant lab-grown diamond, E VVS26.06ct Radiant lab-grown diamond, E VVS2 – 360° view
6.06 Carat Radiant Lab Diamond, E VVS2, IGI Sale price£1,940.00
4.07ct Heart lab-grown diamond, F VVS24.07ct Heart lab-grown diamond, F VVS2 – 360° view
4.07 Carat Heart Lab Diamond, F VVS2, IGI Sale price£1,350.00
0.91ct Emerald lab-grown diamond, E VVS20.91ct Emerald lab-grown diamond, E VVS2 – 360° view
0.91 Carat Emerald Lab Diamond, E VVS2, IGI Sale price£350.00
0.72ct Marquise lab-grown diamond, E VS20.72ct Marquise lab-grown diamond, E VS2 – 360° view
0.72 Carat Marquise Lab Diamond, E VS2, IGI Sale price£370.00
2.53ct Marquise lab-grown diamond, D VS12.53ct Marquise lab-grown diamond, D VS1 – 360° view
2.53 Carat Marquise Lab Diamond, D VS1, IGI Sale price£920.00
1.01ct Marquise lab-grown diamond, D VVS21.01ct Marquise lab-grown diamond, D VVS2 – 360° view
1.01 Carat Marquise Lab Diamond, D VVS2, IGI Sale price£420.00
2ct Round lab-grown diamond, D VS12ct Round lab-grown diamond, D VS1 – 360° view
2 Carat Round Lab Diamond, D VS1, Ideal Cut, IGI Sale price£690.00
2.05ct Oval lab-grown diamond, E VVS22.05ct Oval lab-grown diamond, E VVS2 – 360° view
2.05 Carat Oval Lab Diamond, E VVS2, IGI Sale price£730.00
3.05ct Marquise lab-grown diamond, F VS13.05ct Marquise lab-grown diamond, F VS1 – 360° view
3.05 Carat Marquise Lab Diamond, F VS1, IGI Sale price£1,000.00
5.08ct Round lab-grown diamond, D VVS25.08ct Round lab-grown diamond, D VVS2 – 360° view
5.08 Carat Round Lab Diamond, D VVS2, Ideal Cut, IGI Sale price£1,640.00
3.79ct Oval lab-grown diamond, E VVS23.79ct Oval lab-grown diamond, E VVS2 – 360° view
3.79 Carat Oval Lab Diamond, E VVS2, IGI Sale price£1,270.00
3.07ct Round lab-grown diamond, E VS13.07ct Round lab-grown diamond, E VS1 – 360° view
3.07 Carat Round Lab Diamond, E VS1, Ideal Cut, IGI Sale price£940.00
1.42ct Oval lab-grown diamond, E VVS21.42ct Oval lab-grown diamond, E VVS2 – 360° view
1.42 Carat Oval Lab Diamond, E VVS2, IGI Sale price£520.00
3.04ct Round lab-grown diamond, E VS13.04ct Round lab-grown diamond, E VS1 – 360° view
3.04 Carat Round Lab Diamond, E VS1, Ideal Cut, IGI Sale price£930.00
2.04ct Oval lab-grown diamond, E VS12.04ct Oval lab-grown diamond, E VS1 – 360° view
2.04 Carat Oval Lab Diamond, E VS1, IGI Sale price£700.00
1.08ct Round lab-grown diamond, E VS11.08ct Round lab-grown diamond, E VS1 – 360° view
1.08 Carat Round Lab Diamond, E VS1, Ideal Cut, IGI Sale price£380.00
4ct Round lab-grown diamond, E VS14ct Round lab-grown diamond, E VS1 – 360° view
4 Carat Round Lab Diamond, E VS1, Ideal Cut, IGI Sale price£1,180.00
2.23ct Pear lab-grown diamond, E VS12.23ct Pear lab-grown diamond, E VS1 – 360° view
2.23 Carat Pear Lab Diamond, E VS1, IGI Sale price£760.00
1.02ct Pear lab-grown diamond, D VS11.02ct Pear lab-grown diamond, D VS1 – 360° view
1.02 Carat Pear Lab Diamond, D VS1, IGI Sale price£410.00
0.71ct Pear lab-grown diamond, D VS10.71ct Pear lab-grown diamond, D VS1 – 360° view
0.71 Carat Pear Lab Diamond, D VS1, IGI Sale price£340.00
0.81ct Pear lab-grown diamond, E VVS20.81ct Pear lab-grown diamond, E VVS2 – 360° view
0.81 Carat Pear Lab Diamond, E VVS2, IGI Sale price£350.00
3.01ct Oval lab-grown diamond, E VS13.01ct Oval lab-grown diamond, E VS1 – 360° view
3.01 Carat Oval Lab Diamond, E VS1, IGI Sale price£990.00
2.57ct Square Emerald lab-grown diamond, D VS12.57ct Square Emerald lab-grown diamond, D VS1 – 360° view
2.57 Carat Square Emerald Lab Diamond, D VS1, IGI Sale price£930.00
1.1ct Pear lab-grown diamond, D VVS21.1ct Pear lab-grown diamond, D VVS2 – 360° view
1.1 Carat Pear Lab Diamond, D VVS2, GIA Sale price£470.00
1.1ct Pear lab-grown diamond, D VVS11.1ct Pear lab-grown diamond, D VVS1 – 360° view
1.1 Carat Pear Lab Diamond, D VVS1, IGI Sale price£460.00
3.02ct Emerald lab-grown diamond, D VVS23.02ct Emerald lab-grown diamond, D VVS2 – 360° view
3.02 Carat Emerald Lab Diamond, D VVS2, IGI Sale price£1,120.00
1.58ct Pear lab-grown diamond, E VVS21.58ct Pear lab-grown diamond, E VVS2 – 360° view
1.58 Carat Pear Lab Diamond, E VVS2, IGI Sale price£580.00
2.1ct Round lab-grown diamond, E VS12.1ct Round lab-grown diamond, E VS1 – 360° view
2.1 Carat Round Lab Diamond, E VS1, Ideal Cut, IGI Sale price£670.00
2.03ct Elongated Cushion lab-grown diamond, E VS12.03ct Elongated Cushion lab-grown diamond, E VS1 – 360° view
2.03 Carat Elongated Cushion Lab Diamond, E VS1, IGI Sale price£720.00
3.05ct Elongated Cushion lab-grown diamond, E VS13.05ct Elongated Cushion lab-grown diamond, E VS1 – 360° view
3.05 Carat Elongated Cushion Lab Diamond, E VS1, IGI Sale price£1,000.00
5.05ct Elongated Cushion lab-grown diamond, E VVS25.05ct Elongated Cushion lab-grown diamond, E VVS2 – 360° view
5.05 Carat Elongated Cushion Lab Diamond, E VVS2, IGI Sale price£1,570.00
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1.06 Carat Marquise Lab Diamond, D VS1, IGI Sale price£420.00
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5.03 Carat Elongated Cushion Lab Diamond, E VVS2, IGI Sale price£1,570.00
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3.04 Carat Elongated Cushion Lab Diamond, E VS1, IGI Sale price£1,000.00

How to choose a loose lab-grown diamond

Colour. D, E and F are colourless, the whitest grades; G to J are near-colourless and look white once set, offering excellent value. Read more in our guides to D colour and F colour lab diamonds. For something different, explore our pink, blue, yellow, champagne and green lab-grown diamonds.

Clarity. Most of our diamonds are VS1 or VS2, which are eye-clean, with a selection of VVS1 and VVS2 stones for those who want near-flawless clarity. See our F VS2 guide and VVS1 guide.

Cut and shape. Round brilliants offer the most sparkle; oval, pear and marquise shapes look larger for their carat weight; emerald cuts have an elegant step-cut look; cushion, radiant and princess cuts combine brilliance with a squarer outline.

Certification. The vast majority of our loose diamonds come with an independent IGI or GIA grading report confirming carat, colour, clarity and measurements; look for IGI or GIA in the product title. Learn more in lab-grown diamond certifications explained.

Are lab-grown diamonds real diamonds?

Yes. Lab-grown diamonds are chemically, physically and optically identical to mined diamonds. They are grown in a laboratory rather than mined, which makes them more affordable and more sustainable.

Frequently asked questions

Can I see these diamonds in your London store?

Our London store displays finished jewellery and a smaller selection of gemstones. Our loose diamonds are held at our workshop, so they are not on display in store.