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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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2229 products

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
1.04ct Oval lab-grown diamond, D VS11.04ct Oval lab-grown diamond, D VS1 – 360° view
1.04 Carat Oval Lab Diamond, D VS1, IGI Sale price£410.00
1.09ct Pear lab-grown diamond, D VS11.09ct Pear lab-grown diamond, D VS1 – 360° view
1.09 Carat Pear Lab Diamond, D VS1, IGI Sale price£430.00
1.09ct Emerald lab-grown diamond, F VVS21.09ct Emerald lab-grown diamond, F VVS2 – 360° view
1.09 Carat Emerald Lab Diamond, F VVS2, IGI Sale price£410.00
1.33ct Elongated Cushion lab-grown diamond, E VS11.33ct Elongated Cushion lab-grown diamond, E VS1 – 360° view
1.33 Carat Elongated Cushion Lab Diamond, E VS1, IGI Sale price£510.00
1.01ct Radiant lab-grown diamond, E VS11.01ct Cushion Criss lab-grown diamond, E VS1 – 360° view
1.01 Carat Radiant Lab Diamond, E VS1, IGI Sale price£420.00
1.1ct Princess lab-grown diamond, E VVS21.1ct Princess lab-grown diamond, E VVS2 – 360° view
1.1 Carat Princess Lab Diamond, E VVS2, IGI Sale price£420.00
1.06ct Marquise lab-grown diamond, E VS11.06ct Marquise lab-grown diamond, E VS1 – 360° view
1.06 Carat Marquise Lab Diamond, E VS1, IGI Sale price£390.00
2.09ct Round lab-grown diamond, E VS12.09ct Round lab-grown diamond, E VS1 – 360° view
2.09 Carat Round Lab Diamond, E VS1, Excellent Cut, GIA Sale price£670.00
2.06ct Oval lab-grown diamond, E VVS22.06ct Oval lab-grown diamond, E VVS2 – 360° view
2.06 Carat Oval Lab Diamond, E VVS2, IGI Sale price£730.00
2ct Pear lab-grown diamond, D VS12ct Pear lab-grown diamond, D VS1 – 360° view
2 Carat Pear Lab Diamond, D VS1, IGI Sale price£740.00
2.03ct Elongated Cushion lab-grown diamond, E VS12.03ct Elongated Cushion lab-grown diamond, E VS1 – 360° view
2.03 Carat Elongated Cushion Lab Diamond, E VS1, IGI Sale price£720.00
2.05ct Radiant lab-grown diamond, E VS12.05ct Radiant lab-grown diamond, E VS1 – 360° view
2.05 Carat Radiant Lab Diamond, E VS1, GIA Sale price£700.00
2.08ct Princess lab-grown diamond, E VS12.08ct Princess lab-grown diamond, E VS1 – 360° view
2.08 Carat Princess Lab Diamond, E VS1, IGI Sale price£710.00
2.01ct Marquise lab-grown diamond, E VVS22.01ct Marquise lab-grown diamond, E VVS2 – 360° view
2.01 Carat Marquise Lab Diamond, E VVS2, IGI Sale price£720.00
1.09ct Marquise lab-grown diamond, D VS11.09ct Marquise lab-grown diamond, D VS1 – 360° view
1.09 Carat Marquise Lab Diamond, D VS1, IGI Sale price£430.00
0.77ct Marquise lab-grown diamond, D VS10.77ct Marquise lab-grown diamond, D VS1 – 360° view
0.77 Carat Marquise Lab Diamond, D VS1, IGI Sale price£360.00
1.59ct Heart lab-grown diamond, D VS11.59ct Heart lab-grown diamond, D VS1 – 360° view
1.59 Carat Heart Lab Diamond, D VS1, IGI Sale price£600.00
5.08ct Emerald lab-grown diamond, F VVS25.08ct Emerald lab-grown diamond, F VVS2 – 360° view
5.08 Carat Emerald Lab Diamond, F VVS2, IGI Sale price£1,650.00
3.09ct Emerald lab-grown diamond, D VVS23.09ct Emerald lab-grown diamond, D VVS2 – 360° view
3.09 Carat Emerald Lab Diamond, D VVS2, IGI Sale price£1,140.00
1.6ct Emerald lab-grown diamond, E VVS21.6ct Emerald lab-grown diamond, E VVS2 – 360° view
1.6 Carat Emerald Lab Diamond, E VVS2, IGI Sale price£580.00
1.04ct Emerald lab-grown diamond, D VS11.04ct Emerald lab-grown diamond, D VS1 – 360° view
1.04 Carat Emerald Lab Diamond, D VS1, IGI Sale price£410.00
0.82ct Emerald lab-grown diamond, D VVS20.82ct Emerald lab-grown diamond, D VVS2 – 360° view
0.82 Carat Emerald Lab Diamond, D VVS2, IGI Sale price£360.00
4.84ct Elongated Cushion lab-grown diamond, F VVS24.84ct Elongated Cushion lab-grown diamond, F VVS2 – 360° view
4.84 Carat Elongated Cushion Lab Diamond, F VVS2, IGI Sale price£1,520.00
5ct Elongated Cushion lab-grown diamond, F VS15ct Elongated Cushion lab-grown diamond, F VS1 – 360° view
5 Carat Elongated Cushion Lab Diamond, F VS1, IGI Sale price£1,500.00
0.83ct Elongated Cushion lab-grown diamond, E VS10.83ct Elongated Cushion lab-grown diamond, E VS1 – 360° view
0.83 Carat Elongated Cushion Lab Diamond, E VS1, IGI Sale price£370.00
3.37ct Square Emerald lab-grown diamond, F VS13.37ct Square Emerald lab-grown diamond, F VS1 – 360° view
3.37 Carat Square Emerald Lab Diamond, F VS1, IGI Sale price£1,100.00
3.09ct Square Emerald lab-grown diamond, F VVS23.09ct Square Emerald lab-grown diamond, F VVS2 – 360° view
3.09 Carat Square Emerald Lab Diamond, F VVS2, IGI Sale price£1,060.00
6.03ct Round lab-grown diamond, E VVS26.03ct Round lab-grown diamond, E VVS2 – 360° view
6.03 Carat Round Lab Diamond, E VVS2, Ideal Cut, IGI Sale price£1,770.00
5.52ct Round lab-grown diamond, F VS15.52ct Round lab-grown diamond, F VS1 – 360° view
5.52 Carat Round Lab Diamond, F VS1, Ideal Cut, IGI Sale price£1,570.00
3.1ct Round lab-grown diamond, E VVS23.1ct Round lab-grown diamond, E VVS2 – 360° view
3.1 Carat Round Lab Diamond, E VVS2, Ideal Cut, IGI Sale price£980.00
3.09ct Round lab-grown diamond, F VS13.09ct Round lab-grown diamond, F VS1 – 360° view
3.09 Carat Round Lab Diamond, F VS1, Excellent Cut, GIA Sale price£940.00
2.58ct Round lab-grown diamond, E VS12.58ct Round lab-grown diamond, E VS1 – 360° view
2.58 Carat Round Lab Diamond, E VS1, Excellent Cut, GIA Sale price£800.00
2.1ct Round lab-grown diamond, E VS12.1ct Round lab-grown diamond, E VS1 – 360° view
2.1 Carat Round Lab Diamond, E VS1, Excellent Cut, GIA Sale price£670.00
1.59ct Round lab-grown diamond, E VS21.59ct Round lab-grown diamond, E VS2 – 360° view
1.59 Carat Round Lab Diamond, E VS2, Excellent Cut, GIA Sale price£560.00
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, Ideal Cut, IGI Sale price£540.00
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
1.58ct 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
1.08ct 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
0.96ct Round lab-grown diamond, G VVS20.96ct Round lab-grown diamond, G VVS2 – 360° view
0.96 Carat Round Lab Diamond, G VVS2, Ideal Cut, IGI Sale price£370.00
0.69ct Round lab-grown diamond, D VS10.69ct Round lab-grown diamond, D VS1 – 360° view
0.69 Carat Round Lab Diamond, D VS1, Ideal Cut, IGI Sale price£350.00
1.01ct Round lab-grown diamond, D VVS21.01ct Round lab-grown diamond, D VVS2 – 360° view
1.01 Carat Round Lab Diamond, D VVS2, Ideal Cut, IGI Sale price£390.00
4.57ct Radiant lab-grown diamond, E VS14.57ct Radiant lab-grown diamond, E VS1 – 360° view
4.57 Carat Radiant Lab Diamond, E VS1, IGI Sale price£1,440.00
4.54ct Radiant lab-grown diamond, Fancy Intense Yellow, VS14.54ct Radiant lab-grown diamond, Fancy Intense Yellow, VS1 – 360° view
4.54 Carat Radiant Lab Diamond, Fancy Intense Yellow, VS1, IGI Sale price£4,340.00
1.54ct Radiant lab-grown diamond, F VS11.54ct Radiant lab-grown diamond, F VS1 – 360° view
1.54 Carat Radiant Lab Diamond, F VS1, IGI Sale price£540.00
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£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.