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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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2321 products

1.22ct Princess lab-grown diamond, D VS11.22ct Princess lab-grown diamond, D VS1 – 360° view
1.22 Carat Princess Lab Diamond, D VS1, IGI Sale price£480.00
5.04ct Pear lab-grown diamond, E VS15.04ct Pear lab-grown diamond, E VS1 – 360° view
5.04 Carat Pear Lab Diamond, E VS1, IGI Sale price£1,580.00
3.02ct Round lab-grown diamond, E VVS23.02ct Round lab-grown diamond, E VVS2 – 360° view
3.02 Carat Round Lab Diamond, E VVS2, Ideal Cut, IGI Sale price£960.00
0.8ct Pear lab-grown diamond, D VS10.8ct Pear lab-grown diamond, D VS1 – 360° view
0.8 Carat Pear Lab Diamond, D VS1, IGI Sale price£350.00
5.08ct Oval lab-grown diamond, F VS15.08ct Oval lab-grown diamond, F VS1 – 360° view
5.08 Carat Oval Lab Diamond, F VS1, IGI Sale price£1,590.00
3.04ct Oval lab-grown diamond, E VS13.04ct Oval lab-grown diamond, E VS1 – 360° view
3.04 Carat Oval Lab Diamond, E VS1, IGI Sale price£1,000.00
1.42ct Oval lab-grown diamond, D VS11.42ct Oval lab-grown diamond, D VS1 – 360° view
1.42 Carat Oval Lab Diamond, D VS1, IGI Sale price£540.00
0.73ct Oval lab-grown diamond, D VS10.73ct Oval lab-grown diamond, D VS1 – 360° view
0.73 Carat Oval Lab Diamond, D VS1, IGI Sale price£350.00
3.02ct Marquise lab-grown diamond, E VVS23.02ct Marquise lab-grown diamond, E VVS2 – 360° view
3.02 Carat Marquise Lab Diamond, E VVS2, IGI Sale price£1,030.00
1.44ct Marquise lab-grown diamond, E VS21.44ct Marquise lab-grown diamond, E VS2 – 360° view
1.44 Carat Marquise Lab Diamond, E VS2, IGI Sale price£500.00
3.77ct Emerald lab-grown diamond, G VS23.77ct Emerald lab-grown diamond, G VS2 – 360° view
3.77 Carat Emerald Lab Diamond, G VS2, IGI Sale price£1,130.00
2.04ct Emerald lab-grown diamond, D VS12.04ct Emerald lab-grown diamond, D VS1 – 360° view
2.04 Carat Emerald Lab Diamond, D VS1, IGI Sale price£750.00
1.44ct Emerald lab-grown diamond, D VS11.44ct Emerald lab-grown diamond, D VS1 – 360° view
1.44 Carat Emerald Lab Diamond, D VS1, IGI Sale price£550.00
0.85ct Emerald lab-grown diamond, D VS10.85ct Emerald lab-grown diamond, D VS1 – 360° view
0.85 Carat Emerald Lab Diamond, D VS1, IGI Sale price£360.00
5.08ct Elongated Cushion lab-grown diamond, F VVS25.08ct Elongated Cushion lab-grown diamond, F VVS2 – 360° view
5.08 Carat Elongated Cushion Lab Diamond, F VVS2, IGI Sale price£1,580.00
0.87ct Elongated Cushion lab-grown diamond, D VS10.87ct Elongated Cushion lab-grown diamond, D VS1 – 360° view
0.87 Carat Elongated Cushion Lab Diamond, D VS1, IGI Sale price£390.00
2.8ct Cushion lab-grown diamond, Fancy Intense Yellow, VS12.8ct Cushion lab-grown diamond, Fancy Intense Yellow, VS1 – 360° view
2.8 Carat Cushion Lab Diamond, Fancy Intense Yellow, VS1, IGI Sale price£2,810.00
0.87ct Square Emerald lab-grown diamond, D VS10.87ct Square Emerald lab-grown diamond, D VS1 – 360° view
0.87 Carat Square Emerald Lab Diamond, D VS1, IGI Sale price£380.00
3.5ct Round lab-grown diamond, F VVS23.5ct Round lab-grown diamond, F VVS2 – 360° view
3.5 Carat Round Lab Diamond, F VVS2, Ideal Cut, IGI Sale price£1,090.00
1.9ct Round lab-grown diamond, E VS11.9ct Round lab-grown diamond, E VS1 – 360° view
1.9 Carat Round Lab Diamond, E VS1, Ideal Cut, IGI Sale price£610.00
1.58ct Round lab-grown diamond, E VVS21.58ct Round lab-grown diamond, E VVS2 – 360° view
1.58 Carat Round Lab Diamond, E VVS2, Excellent Cut, IGI Sale price£540.00
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 VVS21.09ct Round lab-grown diamond, E VVS2 – 360° view
1.09 Carat Round Lab Diamond, E VVS2, Ideal Cut, IGI Sale price£390.00
1.08ct Round lab-grown diamond, E VVS21.08ct Round lab-grown diamond, E VVS2 – 360° view
1.08 Carat Round Lab Diamond, E VVS2, Excellent Cut, IGI Sale price£390.00
1.08ct Round lab-grown diamond, E VVS21.08ct Round lab-grown diamond, E VVS2 – 360° view
1.08 Carat Round Lab Diamond, E VVS2, Ideal Cut, IGI Sale price£390.00
1.03ct Round lab-grown diamond, E VS21.03ct Round lab-grown diamond, E VS2 – 360° view
1.03 Carat Round Lab Diamond, E VS2, Excellent Cut, GIA Sale price£450.00
5.02ct Radiant lab-grown diamond, F VS15.02ct Radiant lab-grown diamond, F VS1 – 360° view
5.02 Carat Radiant Lab Diamond, F VS1, IGI Sale price£1,570.00
0.85ct Radiant lab-grown diamond, D VS10.85ct Radiant lab-grown diamond, D VS1 – 360° view
0.85 Carat Radiant Lab Diamond, D VS1, IGI Sale price£380.00
3.1ct Princess lab-grown diamond, D VS13.1ct Princess lab-grown diamond, D VS1 – 360° view
3.1 Carat Princess Lab Diamond, D VS1, GIA Sale price£1,130.00
1.9ct Princess lab-grown diamond, G VVS21.9ct Princess lab-grown diamond, G VVS2 – 360° view
1.9 Carat Princess Lab Diamond, G VVS2, IGI Sale price£650.00
4.06ct Pear lab-grown diamond, D VVS24.06ct Pear lab-grown diamond, D VVS2 – 360° view
4.06 Carat Pear Lab Diamond, D VVS2, IGI Sale price£1,460.00
1.21ct Pear lab-grown diamond, E VVS21.21ct Pear lab-grown diamond, E VVS2 – 360° view
1.21 Carat Pear Lab Diamond, E VVS2, IGI Sale price£450.00
0.77ct Pear lab-grown diamond, F VS20.77ct Pear lab-grown diamond, F VS2 – 360° view
0.77 Carat Pear Lab Diamond, F VS2, IGI Sale price£340.00
5.04ct Oval lab-grown diamond, F VS15.04ct Oval lab-grown diamond, F VS1 – 360° view
5.04 Carat Oval Lab Diamond, F VS1, IGI Sale price£1,580.00
3ct Oval lab-grown diamond, E VS13ct Oval lab-grown diamond, E VS1 – 360° view
3 Carat Oval Lab Diamond, E VS1, IGI Sale price£990.00
3.02ct Marquise lab-grown diamond, D VS13.02ct Marquise lab-grown diamond, D VS1 – 360° view
3.02 Carat Marquise Lab Diamond, D VS1, IGI Sale price£1,070.00
1.58ct Marquise lab-grown diamond, E VVS21.58ct Marquise lab-grown diamond, E VVS2 – 360° view
1.58 Carat Marquise Lab Diamond, E VVS2, IGI Sale price£580.00
0.89ct Marquise lab-grown diamond, E VS10.89ct Marquise lab-grown diamond, E VS1 – 360° view
0.89 Carat Marquise Lab Diamond, E VS1, IGI Sale price£380.00
2.97ct Heart lab-grown diamond, F VS12.97ct Heart lab-grown diamond, F VS1 – 360° view
2.97 Carat Heart Lab Diamond, F VS1, IGI Sale price£980.00
0.56ct Heart lab-grown diamond, Fancy Intense Brown Pink, VVS20.56ct Heart lab-grown diamond, Fancy Intense Brown Pink, VVS2 – 360° view
0.56 Carat Heart Lab Diamond, Fancy Intense Brown Pink, VVS2, IGI Sale price£790.00
3.61ct Emerald lab-grown diamond, G VVS23.61ct Emerald lab-grown diamond, G VVS2 – 360° view
3.61 Carat Emerald Lab Diamond, G VVS2, IGI Sale price£1,150.00
1.34ct Emerald lab-grown diamond, D VS21.34ct Emerald lab-grown diamond, D VS2 – 360° view
1.34 Carat Emerald Lab Diamond, D VS2, IGI Sale price£510.00
0.85ct Emerald lab-grown diamond, D VS10.85ct Emerald lab-grown diamond, D VS1 – 360° view
0.85 Carat Emerald Lab Diamond, D VS1, IGI Sale price£360.00
5.08ct Elongated Cushion lab-grown diamond, E VVS25.08ct Elongated Cushion lab-grown diamond, E VVS2 – 360° view
5.08 Carat Elongated Cushion Lab Diamond, E VVS2, IGI Sale price£1,580.00
1.04ct Elongated Cushion lab-grown diamond, F VVS21.04ct Elongated Cushion lab-grown diamond, F VVS2 – 360° view
1.04 Carat Elongated Cushion Lab Diamond, F VVS2, IGI Sale price£440.00
2.41ct Square Emerald lab-grown diamond, E VVS22.41ct Square Emerald lab-grown diamond, E VVS2 – 360° view
2.41 Carat Square Emerald Lab Diamond, E VVS2, IGI Sale price£840.00
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
1.08ct Round lab-grown diamond, E VVS21.08ct Round lab-grown diamond, E VVS2 – 360° view
1.08 Carat Round Lab Diamond, E VVS2, Excellent Cut, IGI Sale price£390.00

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.