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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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2368 products

5.73ct Princess lab-grown diamond, F VS15.73ct Princess lab-grown diamond, F VS1 – 360° view
5.73 Carat Princess Lab Diamond, F VS1, IGI Sale price£1,770.00
3.08ct Round lab-grown diamond, E VVS13.08ct Round lab-grown diamond, E VVS1 – 360° view
3.08 Carat Round Lab Diamond, E VVS1, Ideal Cut, IGI Sale price£990.00
1.58ct Round lab-grown diamond, D VS11.58ct Round lab-grown diamond, D VS1 – 360° view
1.58 Carat Round Lab Diamond, D VS1, Ideal Cut, IGI Sale price£560.00
1.59ct Round lab-grown diamond, D VS21.59ct Round lab-grown diamond, D VS2 – 360° view
1.59 Carat Round Lab Diamond, D VS2, Excellent Cut, GIA Sale price£560.00
1.54ct Round lab-grown diamond, D VS21.54ct Round lab-grown diamond, D VS2 – 360° view
1.54 Carat Round Lab Diamond, D VS2, Excellent Cut, GIA Sale price£550.00
1.41ct Radiant lab-grown diamond, D VVS21.41ct Radiant lab-grown diamond, D VVS2 – 360° view
1.41 Carat Radiant Lab Diamond, D VVS2, IGI Sale price£560.00
1.58ct Princess lab-grown diamond, E VS11.58ct Princess lab-grown diamond, E VS1 – 360° view
1.58 Carat Princess Lab Diamond, E VS1, IGI Sale price£560.00
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
8.05ct Oval lab-grown diamond, D VVS28.05ct Oval lab-grown diamond, D VVS2 – 360° view
8.05 Carat Oval Lab Diamond, D VVS2, IGI Sale price£2,940.00
3.06ct Oval lab-grown diamond, E VVS23.06ct Oval lab-grown diamond, E VVS2 – 360° view
3.06 Carat Oval Lab Diamond, E VVS2, IGI Sale price£1,050.00
1.56ct Oval lab-grown diamond, D VVS11.56ct Oval lab-grown diamond, D VVS1 – 360° view
1.56 Carat Oval Lab Diamond, D VVS1, IGI Sale price£630.00
3.2ct Marquise lab-grown diamond, F VS23.2ct Marquise lab-grown diamond, F VS2 – 360° view
3.2 Carat Marquise Lab Diamond, F VS2, IGI Sale price£1,030.00
3.01ct Marquise lab-grown diamond, E VS13.01ct Marquise lab-grown diamond, E VS1 – 360° view
3.01 Carat Marquise Lab Diamond, E VS1, IGI Sale price£990.00
5.03ct Emerald lab-grown diamond, D VS15.03ct Emerald lab-grown diamond, D VS1 – 360° view
5.03 Carat Emerald Lab Diamond, D VS1, IGI Sale price£1,700.00
4.58ct Heart lab-grown diamond, E VVS24.58ct Heart lab-grown diamond, E VVS2 – 360° view
4.58 Carat Heart Lab Diamond, E VVS2, IGI Sale price£1,510.00
7.72ct Emerald lab-grown diamond, G VVS27.72ct Emerald lab-grown diamond, G VVS2 – 360° view
7.72 Carat Emerald Lab Diamond, G VVS2, IGI Sale price£2,290.00
2.3ct Round lab-grown diamond, F VVS22.3ct Round lab-grown diamond, F VVS2 – 360° view
2.3 Carat Round Lab Diamond, F VVS2, Ideal Cut, IGI Sale price£750.00
0.83ct Emerald lab-grown diamond, D VS10.83ct Emerald lab-grown diamond, D VS1 – 360° view
0.83 Carat Emerald Lab Diamond, D VS1, IGI Sale price£370.00
4.1ct Elongated Cushion lab-grown diamond, D VVS24.1ct Elongated Cushion lab-grown diamond, D VVS2 – 360° view
4.1 Carat Elongated Cushion Lab Diamond, D VVS2, IGI Sale price£1,430.00
3.01ct Round lab-grown diamond, E VS13.01ct Round lab-grown diamond, E VS1 – 360° view
3.01 Carat Round Lab Diamond, E VS1, Ideal Cut, IGI Sale price£920.00
3ct Round lab-grown diamond, E VVS23ct Round lab-grown diamond, E VVS2 – 360° view
3 Carat Round Lab Diamond, E VVS2, Ideal Cut, IGI Sale price£950.00
2.1ct Round lab-grown diamond, E VS22.1ct Round lab-grown diamond, E VS2 – 360° view
2.1 Carat Round Lab Diamond, E VS2, Excellent Cut, GIA Sale price£660.00
1.41ct Round lab-grown diamond, E VS11.41ct Round lab-grown diamond, E VS1 – 360° view
1.41 Carat Round Lab Diamond, E VS1, Ideal Cut, IGI Sale price£470.00
1.3ct Round lab-grown diamond, F VS21.3ct Round lab-grown diamond, F VS2 – 360° view
1.3 Carat Round Lab Diamond, F VS2, Ideal Cut, IGI Sale price£430.00
1.21ct Radiant lab-grown diamond, D VS11.21ct Radiant lab-grown diamond, D VS1 – 360° view
1.21 Carat Radiant Lab Diamond, D VS1, IGI Sale price£470.00
1.1ct Radiant lab-grown diamond, Fancy Intense Pink, VVS21.1ct Radiant lab-grown diamond, Fancy Intense Pink, VVS2 – 360° view
1.1 Carat Radiant Lab Diamond, Fancy Intense Pink, VVS2, IGI Sale price£1,470.00
17.39ct Princess lab-grown diamond, F VS217.39ct Princess lab-grown diamond, F VS2 – 360° view
17.39 Carat Princess Lab Diamond, F VS2, IGI Sale price£5,170.00
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
3.09ct Pear lab-grown diamond, E VVS23.09ct Pear lab-grown diamond, E VVS2 – 360° view
3.09 Carat Pear Lab Diamond, E VVS2, IGI Sale price£1,060.00
6.09ct Pear lab-grown diamond, E VS16.09ct Pear lab-grown diamond, E VS1 – 360° view
6.09 Carat Pear Lab Diamond, E VS1, IGI Sale price£1,870.00
5.07ct Oval lab-grown diamond, F VS15.07ct Oval lab-grown diamond, F VS1 – 360° view
5.07 Carat Oval Lab Diamond, F VS1, IGI Sale price£1,590.00
4.03ct Oval lab-grown diamond, E VVS24.03ct Oval lab-grown diamond, E VVS2 – 360° view
4.03 Carat Oval Lab Diamond, E VVS2, IGI Sale price£1,340.00
2.42ct Square Emerald lab-grown diamond, E VVS22.42ct Square Emerald lab-grown diamond, E VVS2 – 360° view
2.42 Carat Square Emerald Lab Diamond, E VVS2, IGI Sale price£850.00
3.04ct Radiant lab-grown diamond, D VS13.04ct Radiant lab-grown diamond, D VS1 – 360° view
3.04 Carat Radiant Lab Diamond, D VS1, IGI Sale price£1,080.00
2.22ct Round lab-grown diamond, F VVS22.22ct Round lab-grown diamond, F VVS2 – 360° view
2.22 Carat Round Lab Diamond, F VVS2, Ideal Cut, IGI Sale price£730.00
0.7ct Round lab-grown diamond, D VS20.7ct Round lab-grown diamond, D VS2 – 360° view
0.7 Carat Round Lab Diamond, D VS2, Ideal Cut, IGI Sale price£350.00
3.36ct Radiant lab-grown diamond, E VS13.36ct Radiant lab-grown diamond, E VS1 – 360° view
3.36 Carat Radiant Lab Diamond, E VS1, GIA Sale price£1,100.00
0.71ct Radiant lab-grown diamond, D VVS20.71ct Radiant lab-grown diamond, D VVS2 – 360° view
0.71 Carat Radiant Lab Diamond, D VVS2, IGI Sale price£370.00
10.08ct Princess lab-grown diamond, F VS110.08ct Princess lab-grown diamond, F VS1 – 360° view
10.08 Carat Princess Lab Diamond, F VS1, IGI Sale price£2,950.00
2.71ct Princess lab-grown diamond, E VS12.71ct Princess lab-grown diamond, E VS1 – 360° view
2.71 Carat Princess Lab Diamond, E VS1, IGI Sale price£900.00
2.64ct Princess lab-grown diamond, E VS12.64ct Princess lab-grown diamond, E VS1 – 360° view
2.64 Carat Princess Lab Diamond, E VS1, IGI Sale price£880.00
3.06ct Oval lab-grown diamond, E VVS13.06ct Oval lab-grown diamond, E VVS1 – 360° view
3.06 Carat Oval Lab Diamond, E VVS1, IGI Sale price£1,070.00
2.07ct Oval lab-grown diamond, E VVS22.07ct Oval lab-grown diamond, E VVS2 – 360° view
2.07 Carat Oval Lab Diamond, E VVS2, IGI Sale price£740.00
1.08ct Marquise lab-grown diamond, E VVS21.08ct Marquise lab-grown diamond, E VVS2 – 360° view
1.08 Carat Marquise Lab Diamond, E VVS2, IGI Sale price£410.00
5.05ct Oval lab-grown diamond, F VVS25.05ct Oval lab-grown diamond, F VVS2 – 360° view
5.05 Carat Oval Lab Diamond, F VVS2, IGI Sale price£1,640.00
1.81ct Emerald lab-grown diamond, D VS21.81ct Emerald lab-grown diamond, D VS2 – 360° view
1.81 Carat Emerald Lab Diamond, D VS2, IGI Sale price£660.00
1.1ct Emerald lab-grown diamond, D VS11.1ct Emerald lab-grown diamond, D VS1 – 360° view
1.1 Carat Emerald Lab Diamond, D VS1, IGI Sale price£430.00
1.53ct Round lab-grown diamond, D IF1.53ct Round lab-grown diamond, D IF – 360° view
1.53 Carat Round Lab Diamond, D IF, Excellent Cut, IGI Sale price£600.00

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.