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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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2351 products

2.03ct Round lab-grown diamond, D VS12.03ct Round lab-grown diamond, D VS1 – 360° view
2.03 Carat Round Lab Diamond, D VS1, Excellent Cut, GIA Sale price£700.00
2.02ct Round lab-grown diamond, E VS22.02ct Round lab-grown diamond, E VS2 – 360° view
2.02 Carat Round Lab Diamond, E VS2, Excellent Cut, GIA Sale price£630.00
2.02ct Round lab-grown diamond, D VS22.02ct Round lab-grown diamond, D VS2 – 360° view
2.02 Carat Round Lab Diamond, D VS2, Excellent Cut, GIA Sale price£680.00
1.94ct Round lab-grown diamond, E VVS21.94ct Round lab-grown diamond, E VVS2 – 360° view
1.94 Carat Round Lab Diamond, E VVS2, Ideal Cut, IGI Sale price£650.00
1.9ct Round lab-grown diamond, D VVS21.9ct Round lab-grown diamond, D VVS2 – 360° view
1.9 Carat Round Lab Diamond, D VVS2, Excellent Cut, IGI Sale price£690.00
1.66ct Round lab-grown diamond, F VS11.66ct Round lab-grown diamond, F VS1 – 360° view
1.66 Carat Round Lab Diamond, F VS1, 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
1.08ct 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
2.55ct Round lab-grown diamond, E VS12.55ct Round lab-grown diamond, E VS1 – 360° view
2.55 Carat Round Lab Diamond, E VS1, Excellent Cut, GIA Sale price£790.00
1.41ct Pear lab-grown diamond, E VVS21.41ct Pear lab-grown diamond, E VVS2 – 360° view
1.41 Carat Pear Lab Diamond, E VVS2, IGI Sale price£520.00
1.38ct Pear lab-grown diamond, D VVS21.38ct Pear lab-grown diamond, D VVS2 – 360° view
1.38 Carat Pear Lab Diamond, D VVS2, IGI Sale price£550.00
5.05ct Oval lab-grown diamond, E VVS25.05ct Oval lab-grown diamond, E VVS2 – 360° view
5.05 Carat Oval Lab Diamond, E VVS2, IGI Sale price£1,640.00
2.76 Carat Heart Lab Diamond, Fancy Vivid Blue, VS1, IGI Sale price£2,960.00
1.59ct Emerald lab-grown diamond, D VS11.59ct Emerald lab-grown diamond, D VS1 – 360° view
1.59 Carat Emerald Lab Diamond, D VS1, IGI Sale price£600.00
1.02ct Round lab-grown diamond, D VVS11.02ct Round lab-grown diamond, D VVS1 – 360° view
1.02 Carat Round Lab Diamond, D VVS1, Ideal Cut, IGI Sale price£410.00
0.73ct Radiant lab-grown diamond, D VS10.73ct Radiant lab-grown diamond, D VS1 – 360° view
0.73 Carat Radiant Lab Diamond, D VS1, IGI Sale price£370.00
5.09ct Oval lab-grown diamond, F VS15.09ct Oval lab-grown diamond, F VS1 – 360° view
5.09 Carat Oval Lab Diamond, F VS1, IGI Sale price£1,590.00
0.86ct Marquise lab-grown diamond, D VS10.86ct Marquise lab-grown diamond, D VS1 – 360° view
0.86 Carat Marquise Lab Diamond, D VS1, IGI Sale price£370.00
8.54ct Heart lab-grown diamond, E VVS18.54ct Heart lab-grown diamond, E VVS1 – 360° view
8.54 Carat Heart Lab Diamond, E VVS1, IGI Sale price£3,840.00
8.02ct Heart lab-grown diamond, E VS18.02ct Heart lab-grown diamond, E VS1 – 360° view
8.02 Carat Heart Lab Diamond, E VS1, IGI Sale price£2,400.00
2ct Emerald lab-grown diamond, D VS12ct Emerald lab-grown diamond, D VS1 – 360° view
2 Carat Emerald Lab Diamond, D VS1, IGI Sale price£740.00
3.51ct Emerald lab-grown diamond, D VS13.51ct Emerald lab-grown diamond, D VS1 – 360° view
3.51 Carat Emerald Lab Diamond, D VS1, GIA Sale price£1,230.00
5.11ct Round lab-grown diamond, E VS15.11ct Round lab-grown diamond, E VS1 – 360° view
5.11 Carat Round Lab Diamond, E VS1, Ideal Cut, IGI Sale price£1,470.00
5.09ct Round lab-grown diamond, F VVS25.09ct Round lab-grown diamond, F VVS2 – 360° view
5.09 Carat Round Lab Diamond, F VVS2, Ideal Cut, IGI Sale price£1,520.00
3.09ct Round lab-grown diamond, E VS23.09ct Round lab-grown diamond, E VS2 – 360° view
3.09 Carat Round Lab Diamond, E VS2, Excellent Cut, GIA Sale price£920.00
3ct Round lab-grown diamond, E VS13ct Round lab-grown diamond, E VS1 – 360° view
3 Carat Round Lab Diamond, E VS1, Excellent Cut, IGI Sale price£920.00
2.94ct Round lab-grown diamond, E VS22.94ct Round lab-grown diamond, E VS2 – 360° view
2.94 Carat Round Lab Diamond, E VS2, Ideal Cut, IGI Sale price£880.00
2.88ct Round lab-grown diamond, E VS12.88ct Round lab-grown diamond, E VS1 – 360° view
2.88 Carat Round Lab Diamond, E VS1, Excellent Cut, GIA Sale price£880.00
2.84ct Round lab-grown diamond, E VS22.84ct Round lab-grown diamond, E VS2 – 360° view
2.84 Carat Round Lab Diamond, E VS2, Excellent Cut, GIA Sale price£860.00
2.82ct Round lab-grown diamond, E VS12.82ct Round lab-grown diamond, E VS1 – 360° view
2.82 Carat Round Lab Diamond, E VS1, Excellent Cut, GIA Sale price£870.00
3.01ct Round lab-grown diamond, E VVS23.01ct Round lab-grown diamond, E VVS2 – 360° view
3.01 Carat Round Lab Diamond, E VVS2, Ideal Cut, IGI Sale price£960.00
2.77ct Round lab-grown diamond, E VS12.77ct Round lab-grown diamond, E VS1 – 360° view
2.77 Carat Round Lab Diamond, E VS1, Excellent Cut, GIA Sale price£850.00
2.71ct Round lab-grown diamond, E VS22.71ct Round lab-grown diamond, E VS2 – 360° view
2.71 Carat Round Lab Diamond, E VS2, Ideal Cut, IGI Sale price£820.00
2.58ct Round lab-grown diamond, F VS22.58ct Round lab-grown diamond, F VS2 – 360° view
2.58 Carat Round Lab Diamond, F VS2, Excellent Cut, GIA Sale price£790.00
2.57ct Round lab-grown diamond, E VS12.57ct Round lab-grown diamond, E VS1 – 360° view
2.57 Carat Round Lab Diamond, E VS1, Excellent Cut, GIA Sale price£800.00
2.57ct Round lab-grown diamond, D VS12.57ct Round lab-grown diamond, D VS1 – 360° view
2.57 Carat Round Lab Diamond, D VS1, Ideal Cut, IGI Sale price£860.00
2.24ct Round lab-grown diamond, D VS12.24ct Round lab-grown diamond, D VS1 – 360° view
2.24 Carat Round Lab Diamond, D VS1, Ideal Cut, IGI Sale price£760.00
2.56ct Round lab-grown diamond, F VS12.56ct Round lab-grown diamond, F VS1 – 360° view
2.56 Carat Round Lab Diamond, F VS1, Excellent Cut, GIA Sale price£800.00
2.54ct Round lab-grown diamond, E VS12.54ct Round lab-grown diamond, E VS1 – 360° view
2.54 Carat Round Lab Diamond, E VS1, Excellent Cut, GIA Sale price£790.00
2.51ct Round lab-grown diamond, F VS12.51ct Round lab-grown diamond, F VS1 – 360° view
2.51 Carat Round Lab Diamond, F VS1, Excellent Cut, GIA Sale price£780.00
2.34ct Round lab-grown diamond, D VS12.34ct Round lab-grown diamond, D VS1 – 360° view
2.34 Carat Round Lab Diamond, D VS1, Excellent Cut, GIA Sale price£790.00
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
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
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
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
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

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.