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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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2292 products

2.68ct Princess lab-grown diamond, F VS22.68ct Princess lab-grown diamond, F VS2 – 360° view
2.68 Carat Princess Lab Diamond, F VS2, GIA Sale price£880.00
2.71ct Princess lab-grown diamond, E VS22.71ct Princess lab-grown diamond, E VS2 – 360° view
2.71 Carat Princess Lab Diamond, E VS2, GIA Sale price£880.00
2.7ct Princess lab-grown diamond, F VS22.7ct Princess lab-grown diamond, F VS2 – 360° view
2.7 Carat Princess Lab Diamond, F VS2, GIA Sale price£880.00
2.71ct Princess lab-grown diamond, E VS22.71ct Princess lab-grown diamond, E VS2 – 360° view
2.71 Carat Princess Lab Diamond, E VS2, GIA Sale price£880.00
2.68ct Princess lab-grown diamond, E VVS22.68ct Princess lab-grown diamond, E VVS2 – 360° view
2.68 Carat Princess Lab Diamond, E VVS2, IGI Sale price£930.00
2.67ct Princess lab-grown diamond, E VS12.67ct Princess lab-grown diamond, E VS1 – 360° view
2.67 Carat Princess Lab Diamond, E VS1, GIA Sale price£890.00
2.6ct Princess lab-grown diamond, F VS12.6ct Princess lab-grown diamond, F VS1 – 360° view
2.6 Carat Princess Lab Diamond, F VS1, GIA Sale price£870.00
2.68ct Princess lab-grown diamond, D VS12.68ct Princess lab-grown diamond, D VS1 – 360° view
2.68 Carat Princess Lab Diamond, D VS1, GIA Sale price£960.00
2.59ct Princess lab-grown diamond, E VS12.59ct Princess lab-grown diamond, E VS1 – 360° view
2.59 Carat Princess Lab Diamond, E VS1, GIA Sale price£870.00
2.59ct Princess lab-grown diamond, E VS22.59ct Princess lab-grown diamond, E VS2 – 360° view
2.59 Carat Princess Lab Diamond, E VS2, GIA Sale price£850.00
2.59ct Princess lab-grown diamond, F VS12.59ct Princess lab-grown diamond, F VS1 – 360° view
2.59 Carat Princess Lab Diamond, F VS1, GIA Sale price£870.00
2.58ct Princess lab-grown diamond, E VS12.58ct Princess lab-grown diamond, E VS1 – 360° view
2.58 Carat Princess Lab Diamond, E VS1, IGI Sale price£860.00
2.55ct Princess lab-grown diamond, F VS22.55ct Princess lab-grown diamond, F VS2 – 360° view
2.55 Carat Princess Lab Diamond, F VS2, GIA Sale price£840.00
2.51 Carat Princess Lab Diamond, E VS2, GIA Sale price£830.00
2.36ct Princess lab-grown diamond, F VS12.36ct Princess lab-grown diamond, F VS1 – 360° view
2.36 Carat Princess Lab Diamond, F VS1, GIA Sale price£800.00
1.58ct Princess lab-grown diamond, D VS11.58ct Princess lab-grown diamond, D VS1 – 360° view
1.58 Carat Princess Lab Diamond, D VS1, IGI Sale price£600.00
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1.58 Carat Princess Lab Diamond, E VS1, IGI Sale price£560.00
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1.58 Carat Princess Lab Diamond, E VS1, IGI Sale price£560.00
1.59ct Princess lab-grown diamond, D VS11.59ct Princess lab-grown diamond, D VS1 – 360° view
1.59 Carat Princess Lab Diamond, D VS1, IGI Sale price£600.00
1.59ct Princess lab-grown diamond, E VS11.59ct Princess lab-grown diamond, E VS1 – 360° view
1.59 Carat Princess Lab Diamond, E VS1, IGI Sale price£560.00
3.86ct Pear lab-grown diamond, D VS13.86ct Pear lab-grown diamond, D VS1 – 360° view
3.86 Carat Pear Lab Diamond, D VS1, GIA Sale price£1,760.00
1.07ct Princess lab-grown diamond, D VS11.07ct Princess lab-grown diamond, D VS1 – 360° view
1.07 Carat Princess Lab Diamond, D VS1, IGI Sale price£420.00
1.59ct Princess lab-grown diamond, F VVS21.59ct Princess lab-grown diamond, F VVS2 – 360° view
1.59 Carat Princess Lab Diamond, F VVS2, IGI Sale price£580.00
2.91ct Princess lab-grown diamond, F VVS22.91ct Princess lab-grown diamond, F VVS2 – 360° view
2.91 Carat Princess Lab Diamond, F VVS2, IGI Sale price£1,000.00
2.96ct Princess lab-grown diamond, E VS12.96ct Princess lab-grown diamond, E VS1 – 360° view
2.96 Carat Princess Lab Diamond, E VS1, IGI Sale price£980.00
0.5ct Radiant lab-grown diamond, Fancy Vivid Yellow, VS10.5ct Radiant lab-grown diamond, Fancy Vivid Yellow, VS1 – 360° view
0.5 Carat Radiant Lab Diamond, Fancy Vivid Yellow, VS1, IGI Sale price£660.00
8.78ct Princess lab-grown diamond, E VS18.78ct Princess lab-grown diamond, E VS1 – 360° view
8.78 Carat Princess Lab Diamond, E VS1, IGI Sale price£2,600.00
1.1ct Radiant lab-grown diamond, Fancy Light Yellow, VVS11.1ct Radiant lab-grown diamond, Fancy Light Yellow, VVS1 – 360° view
1.1 Carat Radiant Lab Diamond, Fancy Light Yellow, VVS1, IGI Sale price£1,380.00
1.19ct Radiant lab-grown diamond, F VS11.19ct Radiant lab-grown diamond, F VS1 – 360° view
1.19 Carat Radiant Lab Diamond, F VS1, IGI Sale price£430.00
2.09ct Radiant lab-grown diamond, F VS12.09ct Radiant lab-grown diamond, F VS1 – 360° view
2.09 Carat Radiant Lab Diamond, F VS1, IGI Sale price£710.00
2.09ct Radiant lab-grown diamond, Fancy Vivid Blue, VVS22.09ct Radiant lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
2.09 Carat Radiant Lab Diamond, Fancy Vivid Blue, VVS2, IGI Sale price£2,660.00
5.76ct Radiant lab-grown diamond, F VVS25.76ct Radiant lab-grown diamond, F VVS2 – 360° view
5.76 Carat Radiant Lab Diamond, F VVS2, IGI Sale price£1,850.00
5.59ct Radiant lab-grown diamond, E VVS25.59ct Radiant lab-grown diamond, E VVS2 – 360° view
5.59 Carat Radiant Lab Diamond, E VVS2, IGI Sale price£1,800.00
1.04ct Round lab-grown diamond, D VVS11.04ct Round lab-grown diamond, D VVS1 – 360° view
1.04 Carat Round Lab Diamond, D VVS1, Ideal Cut, IGI Sale price£410.00
1.08ct Round lab-grown diamond, D VS11.08ct Round lab-grown diamond, D VS1 – 360° view
1.08 Carat Round Lab Diamond, D VS1, Ideal Cut, IGI Sale price£400.00
1.09ct Round lab-grown diamond, D VS11.09ct Round lab-grown diamond, D VS1 – 360° view
1.09 Carat Round Lab Diamond, D VS1, Excellent Cut, IGI Sale price£410.00
1.08ct Round lab-grown diamond, E VS21.08ct Round lab-grown diamond, E VS2 – 360° view
1.08 Carat Round Lab Diamond, E VS2, Excellent Cut, GIA Sale price£460.00
1.09ct Round lab-grown diamond, E VS11.09ct Round lab-grown diamond, E VS1 – 360° view
1.09 Carat Round Lab Diamond, E VS1, Ideal Cut, IGI Sale price£380.00
1.09ct Round lab-grown diamond, E VS11.09ct Round lab-grown diamond, E VS1 – 360° view
1.09 Carat Round Lab Diamond, E VS1, Excellent Cut, IGI Sale price£380.00
1.5ct Round lab-grown diamond, D VS11.5ct Round lab-grown diamond, D VS1 – 360° view
1.5 Carat Round Lab Diamond, D VS1, Ideal Cut, IGI Sale price£540.00
1.59ct Round lab-grown diamond, E VVS21.59ct Round lab-grown diamond, E VVS2 – 360° view
1.59 Carat Round Lab Diamond, E VVS2, Excellent Cut, IGI Sale price£540.00
2.07ct Round lab-grown diamond, F VS22.07ct Round lab-grown diamond, F VS2 – 360° view
2.07 Carat Round Lab Diamond, F VS2, Excellent Cut, GIA Sale price£650.00
2.08ct Round lab-grown diamond, E VS22.08ct Round lab-grown diamond, E VS2 – 360° view
2.08 Carat Round Lab Diamond, E VS2, Excellent Cut, GIA Sale price£650.00
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, Excellent Cut, GIA Sale price£970.00
4.03ct Round lab-grown diamond, D VVS24.03ct Round lab-grown diamond, D VVS2 – 360° view
4.03 Carat Round Lab Diamond, D VVS2, Ideal Cut, IGI Sale price£1,340.00
4.33ct Round lab-grown diamond, E VVS24.33ct Round lab-grown diamond, E VVS2 – 360° view
4.33 Carat Round Lab Diamond, E VVS2, Ideal Cut, IGI Sale price£1,320.00
0.92ct Square Emerald lab-grown diamond, D VS10.92ct Square Emerald lab-grown diamond, D VS1 – 360° view
0.92 Carat Square Emerald Lab Diamond, D VS1, IGI Sale price£370.00
0.9ct Square Emerald lab-grown diamond, E VS10.9ct Square Emerald lab-grown diamond, E VS1 – 360° view
0.9 Carat Square Emerald Lab Diamond, E VS1, IGI Sale price£360.00

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.