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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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2314 products

1.31ct Pear lab-grown diamond, Fancy Vivid Blue, VVS21.31ct Pear lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.31 Carat Pear Lab Diamond, Fancy Vivid Blue, VVS2, IGI Sale price£1,620.00
0.81ct Pear lab-grown diamond, D VS20.81ct Pear lab-grown diamond, D VS2 – 360° view
0.81 Carat Pear Lab Diamond, D VS2, IGI Sale price£370.00
5.06ct Oval lab-grown diamond, E VS15.06ct Oval lab-grown diamond, E VS1 – 360° view
5.06 Carat Oval Lab Diamond, E VS1, IGI Sale price£1,580.00
1.47ct Oval lab-grown diamond, E VVS21.47ct Oval lab-grown diamond, E VVS2 – 360° view
1.47 Carat Oval Lab Diamond, E VVS2, IGI Sale price£540.00
6.07ct Old Mine Cut lab-grown diamond, E VVS26.07ct Old Mine Cut lab-grown diamond, E VVS2 – 360° view
6.07 Carat Old Mine Cut Lab Diamond, E VVS2, IGI Sale price£2,510.00
3.02ct Marquise lab-grown diamond, E VS13.02ct Marquise lab-grown diamond, E VS1 – 360° view
3.02 Carat Marquise Lab Diamond, E VS1, IGI Sale price£990.00
1.54ct Marquise lab-grown diamond, D VVS21.54ct Marquise lab-grown diamond, D VVS2 – 360° view
1.54 Carat Marquise Lab Diamond, D VVS2, IGI Sale price£610.00
0.94ct Marquise lab-grown diamond, D VVS20.94ct Marquise lab-grown diamond, D VVS2 – 360° view
0.94 Carat Marquise Lab Diamond, D VVS2, IGI Sale price£390.00
7.75ct Heart lab-grown diamond, E VVS27.75ct Heart lab-grown diamond, E VVS2 – 360° view
7.75 Carat Heart Lab Diamond, E VVS2, IGI Sale price£2,420.00
0.79ct Heart lab-grown diamond, D VS10.79ct Heart lab-grown diamond, D VS1 – 360° view
0.79 Carat Heart Lab Diamond, D VS1, IGI Sale price£380.00
3.66ct Emerald lab-grown diamond, E VS23.66ct Emerald lab-grown diamond, E VS2 – 360° view
3.66 Carat Emerald Lab Diamond, E VS2, GIA Sale price£1,160.00
2.04ct Emerald lab-grown diamond, E VS12.04ct Emerald lab-grown diamond, E VS1 – 360° view
2.04 Carat Emerald Lab Diamond, E VS1, GIA Sale price£700.00
1.45ct Emerald lab-grown diamond, D VS11.45ct Emerald lab-grown diamond, D VS1 – 360° view
1.45 Carat Emerald Lab Diamond, D VS1, IGI Sale price£560.00
0.85ct Emerald lab-grown diamond, E VVS20.85ct Emerald lab-grown diamond, E VVS2 – 360° view
0.85 Carat Emerald Lab Diamond, E VVS2, IGI Sale price£360.00
5.09ct Elongated Cushion lab-grown diamond, D VVS25.09ct Elongated Cushion lab-grown diamond, D VVS2 – 360° view
5.09 Carat Elongated Cushion Lab Diamond, D VVS2, IGI Sale price£1,710.00
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
1.09ct 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
1.09ct 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
1.09ct 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, 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, 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, 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, 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
1.08ct 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
1.04ct Round lab-grown diamond, D VS21.04ct Round lab-grown diamond, D VS2 – 360° view
1.04 Carat Round Lab Diamond, D VS2, Excellent Cut, GIA Sale price£450.00
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
1.02ct Round lab-grown diamond, D VVS21.02ct Round lab-grown diamond, D VVS2 – 360° view
1.02 Carat Round Lab Diamond, D VVS2, Ideal Cut, IGI Sale price£400.00
0.73ct Round lab-grown diamond, E VS20.73ct Round lab-grown diamond, E VS2 – 360° view
0.73 Carat Round Lab Diamond, E VS2, Ideal Cut, IGI Sale price£350.00
4.56ct Radiant lab-grown diamond, D VVS24.56ct Radiant lab-grown diamond, D VVS2 – 360° view
4.56 Carat Radiant Lab Diamond, D VVS2, IGI Sale price£1,620.00
1.55ct Radiant lab-grown diamond, Fancy Vivid Blue, VS11.55ct Radiant lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.55 Carat Radiant Lab Diamond, Fancy Vivid Blue, VS1, IGI Sale price£2,000.00
1.57ct Radiant lab-grown diamond, F VS11.57ct Radiant lab-grown diamond, F VS1 – 360° view
1.57 Carat Radiant Lab Diamond, F VS1, GIA Sale price£550.00
0.85ct Radiant lab-grown diamond, E VS10.85ct Radiant lab-grown diamond, E VS1 – 360° view
0.85 Carat Radiant Lab Diamond, E VS1, IGI Sale price£380.00
0.84ct Radiant lab-grown diamond, D VS10.84ct Radiant lab-grown diamond, D VS1 – 360° view
0.84 Carat Radiant Lab Diamond, D VS1, IGI Sale price£360.00
3.08ct Princess lab-grown diamond, E VS13.08ct Princess lab-grown diamond, E VS1 – 360° view
3.08 Carat Princess Lab Diamond, E VS1, IGI Sale price£1,010.00
1.91ct Princess lab-grown diamond, F VVS21.91ct Princess lab-grown diamond, F VVS2 – 360° view
1.91 Carat Princess Lab Diamond, F VVS2, IGI Sale price£680.00
2.05ct Princess lab-grown diamond, D VS12.05ct Princess lab-grown diamond, D VS1 – 360° view
2.05 Carat Princess Lab Diamond, D VS1, IGI Sale price£760.00
1.33ct Princess lab-grown diamond, F VS11.33ct Princess lab-grown diamond, F VS1 – 360° view
1.33 Carat Princess Lab Diamond, F VS1, IGI Sale price£480.00
4.07ct Pear lab-grown diamond, D VS14.07ct Pear lab-grown diamond, D VS1 – 360° view
4.07 Carat Pear Lab Diamond, D VS1, IGI Sale price£1,410.00
1.98ct Pear lab-grown diamond, E VS11.98ct Pear lab-grown diamond, E VS1 – 360° view
1.98 Carat Pear Lab Diamond, E VS1, IGI Sale price£680.00
1.31ct Pear lab-grown diamond, F VVS21.31ct Pear lab-grown diamond, F VVS2 – 360° view
1.31 Carat Pear Lab Diamond, F VVS2, IGI Sale price£490.00
1.08ct Oval lab-grown diamond, D VS21.08ct Oval lab-grown diamond, D VS2 – 360° view
1.08 Carat Oval Lab Diamond, D VS2, IGI Sale price£420.00
0.8ct Pear lab-grown diamond, D VS20.8ct Pear lab-grown diamond, D VS2 – 360° view
0.8 Carat Pear Lab Diamond, D VS2, IGI Sale price£370.00
0.82ct Pear lab-grown diamond, G VS10.82ct Pear lab-grown diamond, G VS1 – 360° view
0.82 Carat Pear Lab Diamond, G VS1, IGI Sale price£350.00
5.03ct Oval lab-grown diamond, D VVS15.03ct Oval lab-grown diamond, D VVS1 – 360° view
5.03 Carat Oval Lab Diamond, D VVS1, IGI Sale price£2,780.00
3.01ct Oval lab-grown diamond, D VVS13.01ct Oval lab-grown diamond, D VVS1 – 360° view
3.01 Carat Oval Lab Diamond, D VVS1, IGI Sale price£1,130.00

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.