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Oval Cut Lab-Grown Diamonds

Browse our loose oval cut lab-grown diamonds, in colourless D to J grades and fancy pink, blue, yellow and champagne colours, from under a carat to over 3 carats. Most come with an independent IGI grading report.

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248 products

0.73ct Oval lab-grown diamond, D VS10.73ct Oval lab-grown diamond, D VS1 – 360° view
1.07ct Oval lab-grown diamond, D VS11.07ct Oval lab-grown diamond, D VS1 – 360° view
1.55ct Oval lab-grown diamond, F VS11.55ct Oval lab-grown diamond, F VS1 – 360° view
2.07ct Oval lab-grown diamond, E VS12.07ct Oval lab-grown diamond, E VS1 – 360° view
3.74ct Oval lab-grown diamond, F VS13.74ct Oval lab-grown diamond, F VS1 – 360° view
1.14ct Oval lab-grown diamond, D VS11.14ct Oval lab-grown diamond, D VS1 – 360° view
2.03ct Oval lab-grown diamond, E VVS22.03ct Oval lab-grown diamond, E VVS2 – 360° view
2.58ct Oval lab-grown diamond, D VS12.58ct Oval lab-grown diamond, D VS1 – 360° view
10.21ct Oval lab-grown diamond, F VVS210.21ct Oval lab-grown diamond, F VVS2 – 360° view
9.77ct Oval lab-grown diamond, E VVS29.77ct Oval lab-grown diamond, E VVS2 – 360° view
1.56ct Oval lab-grown diamond, D VVS11.56ct Oval lab-grown diamond, D VVS1 – 360° view
1.55ct Oval lab-grown diamond, Fancy Vivid Blue, VS11.55ct Oval lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
2.09ct Oval lab-grown diamond, E VS12.09ct Oval lab-grown diamond, E VS1 – 360° view
4.2ct Oval lab-grown diamond, D VVS24.2ct Oval lab-grown diamond, D VVS2 – 360° view
4.1ct Oval lab-grown diamond, E VS14.1ct Oval lab-grown diamond, E VS1 – 360° view
4.04ct Oval lab-grown diamond, E VS14.04ct Oval lab-grown diamond, E VS1 – 360° view
4.01ct Oval lab-grown diamond, D VS14.01ct Oval lab-grown diamond, D VS1 – 360° view
3.05ct Oval lab-grown diamond, E VS13.05ct Oval lab-grown diamond, E VS1 – 360° view
3.02ct Oval lab-grown diamond, E VS13.02ct Oval lab-grown diamond, E VS1 – 360° view
2.03ct Oval lab-grown diamond, D VVS22.03ct Oval lab-grown diamond, D VVS2 – 360° view
2.05ct Oval lab-grown diamond, D VS22.05ct Oval lab-grown diamond, D VS2 – 360° view
5.04ct Oval lab-grown diamond, E VS15.04ct Oval lab-grown diamond, E VS1 – 360° view
2.09ct Oval lab-grown diamond, E VS12.09ct Oval lab-grown diamond, E VS1 – 360° view
1.41ct Oval lab-grown diamond, E VS21.41ct Oval lab-grown diamond, E VS2 – 360° view
5.23ct Oval lab-grown diamond, E VVS25.23ct Oval lab-grown diamond, E VVS2 – 360° view
4.1ct Oval lab-grown diamond, E VS14.1ct Oval lab-grown diamond, E VS1 – 360° view
3.08ct Oval lab-grown diamond, E VS13.08ct Oval lab-grown diamond, E VS1 – 360° view
2.02ct Oval lab-grown diamond, D VS12.02ct Oval lab-grown diamond, D VS1 – 360° view
3.07ct Oval lab-grown diamond, D VS13.07ct Oval lab-grown diamond, D VS1 – 360° view
3.07ct Oval lab-grown diamond, D VVS13.07ct Oval lab-grown diamond, D VVS1 – 360° view
3.06ct Oval lab-grown diamond, E VS13.06ct Oval lab-grown diamond, E VS1 – 360° view
3.06ct Oval lab-grown diamond, E VVS13.06ct Oval lab-grown diamond, E VVS1 – 360° view
3.06ct Oval lab-grown diamond, D VVS23.06ct Oval lab-grown diamond, D VVS2 – 360° view
4.99ct Oval lab-grown diamond, D VVS24.99ct Oval lab-grown diamond, D VVS2 – 360° view
5.09ct Oval lab-grown diamond, D VS15.09ct Oval lab-grown diamond, D VS1 – 360° view
5.09ct Oval lab-grown diamond, E VVS25.09ct Oval lab-grown diamond, E VVS2 – 360° view
5.05ct Oval lab-grown diamond, E VS25.05ct Oval lab-grown diamond, E VS2 – 360° view
5.03ct Oval lab-grown diamond, E VS15.03ct Oval lab-grown diamond, E VS1 – 360° view
4.08ct Oval lab-grown diamond, D VS14.08ct Oval lab-grown diamond, D VS1 – 360° view
2.07ct Oval lab-grown diamond, D VS12.07ct Oval lab-grown diamond, D VS1 – 360° view
2.02ct Oval lab-grown diamond, E VS12.02ct Oval lab-grown diamond, E VS1 – 360° view
3.07ct Oval lab-grown diamond, E VVS23.07ct Oval lab-grown diamond, E VVS2 – 360° view
3.06ct Oval lab-grown diamond, E VS13.06ct Oval lab-grown diamond, E VS1 – 360° view
1.01ct Oval lab-grown diamond, Fancy Vivid Blue, VS11.01ct Oval lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.51ct Oval lab-grown diamond, G VVS21.51ct Oval lab-grown diamond, G VVS2 – 360° view
5.05ct Oval lab-grown diamond, E VVS25.05ct Oval lab-grown diamond, E VVS2 – 360° view
5.07ct Oval lab-grown diamond, E VVS25.07ct Oval lab-grown diamond, E VVS2 – 360° view
4.06ct Oval lab-grown diamond, E VVS24.06ct Oval lab-grown diamond, E VVS2 – 360° view

Why choose an oval lab-grown diamond?

Oval cut diamonds share the round brilliant's sparkle in an elongated silhouette that looks larger for its carat weight and visually lengthens the finger, which is why they are one of the most popular engagement ring shapes.

How to choose an oval diamond

Length-to-width ratio. Most people prefer an oval between about 1.35 and 1.50; lower ratios look fuller, higher ratios look slimmer and longer.

Colour and clarity. D to F colour gives the whitest look; G and H look white once set and offer great value. VS1 and VS2 clarity are eye-clean.

Bow-tie. Many ovals show a darker bow-tie shape across the centre. A well-cut oval keeps it subtle, so it is worth looking at a stone closely before you choose.

Read our expert guide to oval cut lab-grown diamonds, or browse our full range of loose lab-grown diamonds.

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.