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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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2354 products

2.48ct Princess lab-grown diamond, E VS12.48ct Princess lab-grown diamond, E VS1 – 360° view
2.48 Carat Princess Lab Diamond, E VS1, IGI Sale price£830.00
2.53ct Princess lab-grown diamond, D VS12.53ct Princess lab-grown diamond, D VS1 – 360° view
2.53 Carat Princess Lab Diamond, D VS1, GIA Sale price£920.00
2.44ct Princess lab-grown diamond, F VS12.44ct Princess lab-grown diamond, F VS1 – 360° view
2.44 Carat Princess Lab Diamond, F VS1, IGI Sale price£820.00
2.4ct Princess lab-grown diamond, E VS12.4ct Princess lab-grown diamond, E VS1 – 360° view
2.4 Carat Princess Lab Diamond, E VS1, IGI Sale price£810.00
2.35ct Princess lab-grown diamond, H VVS22.35ct Princess lab-grown diamond, H VVS2 – 360° view
2.35 Carat Princess Lab Diamond, H VVS2, IGI Sale price£740.00
2.3ct Princess lab-grown diamond, D VS22.3ct Princess lab-grown diamond, D VS2 – 360° view
2.3 Carat Princess Lab Diamond, D VS2, IGI Sale price£820.00
2.09ct Princess lab-grown diamond, D VS22.09ct Princess lab-grown diamond, D VS2 – 360° view
2.09 Carat Princess Lab Diamond, D VS2, GIA Sale price£760.00
2.04ct Princess lab-grown diamond, E VVS22.04ct Princess lab-grown diamond, E VVS2 – 360° view
2.04 Carat Princess Lab Diamond, E VVS2, IGI Sale price£730.00
2.02ct Princess lab-grown diamond, E VVS22.02ct Princess lab-grown diamond, E VVS2 – 360° view
2.02 Carat Princess Lab Diamond, E VVS2, IGI Sale price£720.00
2.05ct Princess lab-grown diamond, E VS12.05ct Princess lab-grown diamond, E VS1 – 360° view
2.05 Carat Princess Lab Diamond, E VS1, GIA Sale price£700.00
2.23ct Princess lab-grown diamond, E VS12.23ct Princess lab-grown diamond, E VS1 – 360° view
2.23 Carat Princess Lab Diamond, E VS1, GIA Sale price£760.00
2.1ct Princess lab-grown diamond, E VVS22.1ct Princess lab-grown diamond, E VVS2 – 360° view
2.1 Carat Princess Lab Diamond, E VVS2, IGI Sale price£750.00
2.09ct Princess lab-grown diamond, F VVS22.09ct Princess lab-grown diamond, F VVS2 – 360° view
2.09 Carat Princess Lab Diamond, F VVS2, IGI Sale price£740.00
2.09ct Princess lab-grown diamond, E VVS22.09ct Princess lab-grown diamond, E VVS2 – 360° view
2.09 Carat Princess Lab Diamond, E VVS2, IGI Sale price£740.00
2.08ct Princess lab-grown diamond, F VVS22.08ct Princess lab-grown diamond, F VVS2 – 360° view
2.08 Carat Princess Lab Diamond, F VVS2, IGI Sale price£740.00
2.08ct Princess lab-grown diamond, D VS12.08ct Princess lab-grown diamond, D VS1 – 360° view
2.08 Carat Princess Lab Diamond, D VS1, IGI Sale price£770.00
2.07ct Princess lab-grown diamond, E VVS22.07ct Princess lab-grown diamond, E VVS2 – 360° view
2.07 Carat Princess Lab Diamond, E VVS2, IGI Sale price£740.00
2.01ct Princess lab-grown diamond, E VVS22.01ct Princess lab-grown diamond, E VVS2 – 360° view
2.01 Carat Princess Lab Diamond, E VVS2, IGI Sale price£720.00
1.98ct Princess lab-grown diamond, E VVS21.98ct Princess lab-grown diamond, E VVS2 – 360° view
1.98 Carat Princess Lab Diamond, E VVS2, IGI Sale price£710.00
1.95ct Princess lab-grown diamond, F VS11.95ct Princess lab-grown diamond, F VS1 – 360° view
1.95 Carat Princess Lab Diamond, F VS1, IGI Sale price£670.00
1.93ct Princess lab-grown diamond, E VVS21.93ct Princess lab-grown diamond, E VVS2 – 360° view
1.93 Carat Princess Lab Diamond, E VVS2, IGI Sale price£690.00
1.91ct Princess lab-grown diamond, F VS11.91ct Princess lab-grown diamond, F VS1 – 360° view
1.91 Carat Princess Lab Diamond, F VS1, IGI Sale price£660.00
1.89ct Princess lab-grown diamond, E VVS21.89ct Princess lab-grown diamond, E VVS2 – 360° view
1.89 Carat Princess Lab Diamond, E VVS2, IGI Sale price£680.00
1.84ct Princess lab-grown diamond, E VVS21.84ct Princess lab-grown diamond, E VVS2 – 360° view
1.84 Carat Princess Lab Diamond, E VVS2, IGI Sale price£660.00
1.81ct Princess lab-grown diamond, E VVS21.81ct Princess lab-grown diamond, E VVS2 – 360° view
1.81 Carat Princess Lab Diamond, E VVS2, IGI Sale price£650.00
1.78ct Princess lab-grown diamond, D VS11.78ct Princess lab-grown diamond, D VS1 – 360° view
1.78 Carat Princess Lab Diamond, D VS1, IGI Sale price£670.00
1.75ct Princess lab-grown diamond, D VS11.75ct Princess lab-grown diamond, D VS1 – 360° view
1.75 Carat Princess Lab Diamond, D VS1, IGI Sale price£660.00
1.72ct Princess lab-grown diamond, Fancy Intense Yellow, VS11.72ct Princess lab-grown diamond, Fancy Intense Yellow, VS1 – 360° view
1.72 Carat Princess Lab Diamond, Fancy Intense Yellow, VS1, IGI Sale price£2,230.00
1.63ct Princess lab-grown diamond, Fancy Intense Yellow, VS21.63ct Princess lab-grown diamond, Fancy Intense Yellow, VS2 – 360° view
1.63 Carat Princess Lab Diamond, Fancy Intense Yellow, VS2, IGI Sale price£2,110.00
1.59ct Princess lab-grown diamond, F VS11.59ct Princess lab-grown diamond, F VS1 – 360° view
1.59 Carat Princess Lab Diamond, F VS1, IGI Sale price£560.00
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
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
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
1.59ct Princess lab-grown diamond, E VVS21.59ct Princess lab-grown diamond, E VVS2 – 360° view
1.59 Carat Princess Lab Diamond, E VVS2, IGI Sale price£580.00
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, 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, D VS11.59ct Princess lab-grown diamond, D VS1 – 360° view
1.59 Carat Princess Lab Diamond, D VS1, IGI Sale price£600.00
0.88ct Princess lab-grown diamond, F VVS20.88ct Princess lab-grown diamond, F VVS2 – 360° view
0.88 Carat Princess Lab Diamond, F VVS2, IGI Sale price£370.00
0.83ct Princess lab-grown diamond, D VVS20.83ct Princess lab-grown diamond, D VVS2 – 360° view
0.83 Carat Princess Lab Diamond, D VVS2, IGI Sale price£380.00
3.39ct Pear lab-grown diamond, F VS23.39ct Pear lab-grown diamond, F VS2 – 360° view
3.39 Carat Pear Lab Diamond, F VS2, GIA Sale price£1,180.00
0.53ct Oval lab-grown diamond, Fancy Vivid Blue, VS10.53ct Oval lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
0.53 Carat Oval Lab Diamond, Fancy Vivid Blue, VS1, IGI Sale price£710.00
11.54ct Old Mine Cut lab-grown diamond, F VVS211.54ct Old Mine Cut lab-grown diamond, F VVS2 – 360° view
11.54 Carat Old Mine Cut Lab Diamond, F VVS2, IGI Sale price£5,200.00
3.06ct Marquise lab-grown diamond, E VVS23.06ct Marquise lab-grown diamond, E VVS2 – 360° view
3.06 Carat Marquise Lab Diamond, E VVS2, IGI Sale price£1,050.00
3.05ct Marquise lab-grown diamond, E VVS23.05ct Marquise lab-grown diamond, E VVS2 – 360° view
3.05 Carat Marquise Lab Diamond, E VVS2, IGI Sale price£1,040.00
1.59ct Marquise lab-grown diamond, E VVS21.59ct Marquise lab-grown diamond, E VVS2 – 360° view
1.59 Carat Marquise Lab Diamond, E VVS2, IGI Sale price£580.00
8.58ct Heart lab-grown diamond, E VVS28.58ct Heart lab-grown diamond, E VVS2 – 360° view
8.58 Carat Heart Lab Diamond, E VVS2, IGI Sale price£2,650.00
8.09ct Heart lab-grown diamond, F VVS28.09ct Heart lab-grown diamond, F VVS2 – 360° view
8.09 Carat Heart Lab Diamond, F VVS2, IGI Sale price£2,520.00
9.08ct Emerald lab-grown diamond, F VS19.08ct Emerald lab-grown diamond, F VS1 – 360° view
9.08 Carat Emerald Lab Diamond, F VS1, IGI Sale price£2,690.00

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.