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Lab-grown diamonds under £500

Loose lab-grown diamonds under £500, in every shape and including many 1 carat stones, each with its independent IGI or GIA grading report. In lab-grown, the top colour and clarity grades cost little or nothing more, so a smaller budget still buys a beautifully graded stone.

Shop by budget: £500 to £1,000, £1,000 to £2,000, £2,000 and over or all loose diamonds.

Every loose diamond here has an independent IGI or GIA report and Excellent or Very Good polish and symmetry; nearly all are D–F colour and VS2 clarity or better, which is clean to the eye. The top grades cost no more in lab-grown, so the choices worth making are size, shape and proportion.

Start with what matters

Three choices, one list, largest stones first.

I'm making
Shape
Budget for the finished piece

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Largest stones first. Refine with the filters below.
  • Juvetti pickThe stones we would choose in each shape and size: top light performance plus one of the two below. Re-ranked as stones sell and arrive.
  • Top light performanceThe top tier for its shape: proportions in the narrow band that returns the most light.
  • Looks biggerMeasures larger across the top than most stones of its weight and shape.
  • Most for your moneyPrice per carat in the lowest quarter for its shape and size.

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714 products

1.02ct Oval lab-grown diamond, F VVS21.02ct Oval lab-grown diamond, F VVS2 – 360° view
0.71ct Oval lab-grown diamond, D VS10.71ct Oval lab-grown diamond, D VS1 – 360° view
1.09ct Heart lab-grown diamond, E VVS21.09ct Heart lab-grown diamond, E VVS2 – 360° view
1.08ct Heart lab-grown diamond, F VVS21.08ct Heart lab-grown diamond, F VVS2 – 360° view
1.08ct Emerald lab-grown diamond, E VS11.08ct Emerald lab-grown diamond, E VS1 – 360° view
1.02ct Elongated Cushion lab-grown diamond, G VS11.02ct Elongated Cushion lab-grown diamond, G VS1 – 360° view
0.77ct Elongated Cushion lab-grown diamond, D VVS20.77ct Elongated Cushion lab-grown diamond, D VVS2 – 360° view
1.01ct Cushion lab-grown diamond, F VS11.01ct Cushion lab-grown diamond, F VS1 – 360° view
1.41ct Round lab-grown diamond, E VS11.41ct Round lab-grown diamond, E VS1 – 360° view
1.1ct Round lab-grown diamond, D VS11.1ct Round lab-grown diamond, D VS1 – 360° view
1.09ct Round lab-grown diamond, D VVS21.09ct Round lab-grown diamond, D VVS2 – 360° view
1ct Round lab-grown diamond, D VS21ct Round lab-grown diamond, D VS2 – 360° view
0.7ct Round lab-grown diamond, D VS20.7ct Round lab-grown diamond, D VS2 – 360° view
1.08ct Round lab-grown diamond, D VS11.08ct Round lab-grown diamond, D VS1 – 360° view
1.08ct Round lab-grown diamond, E VVS21.08ct Round lab-grown diamond, E VVS2 – 360° view
1.05ct Radiant lab-grown diamond, D VVS21.05ct Radiant lab-grown diamond, D VVS2 – 360° view
0.81ct Radiant lab-grown diamond, E VS20.81ct Radiant lab-grown diamond, E VS2 – 360° view
1.03ct Princess lab-grown diamond, D VVS21.03ct Princess lab-grown diamond, D VVS2 – 360° view
1.2ct Pear lab-grown diamond, F VS11.2ct Pear lab-grown diamond, F VS1 – 360° view
1.06ct Pear lab-grown diamond, E VVS21.06ct Pear lab-grown diamond, E VVS2 – 360° view
1.07ct Pear lab-grown diamond, D VS21.07ct Pear lab-grown diamond, D VS2 – 360° view
1ct Pear lab-grown diamond, E VVS21ct Pear lab-grown diamond, E VVS2 – 360° view
1ct Pear lab-grown diamond, E VS11ct Pear lab-grown diamond, E VS1 – 360° view
0.9ct Pear lab-grown diamond, E VVS20.9ct Pear lab-grown diamond, E VVS2 – 360° view
0.88ct Pear lab-grown diamond, D VS10.88ct Pear lab-grown diamond, D VS1 – 360° view
1.44ct Oval lab-grown diamond, G VS21.44ct Oval lab-grown diamond, G VS2 – 360° view
1.2ct Oval lab-grown diamond, E VS11.2ct Oval lab-grown diamond, E VS1 – 360° view
0.72ct Oval lab-grown diamond, F VS20.72ct Oval lab-grown diamond, F VS2 – 360° view
1.21ct Marquise lab-grown diamond, D VVS21.21ct Marquise lab-grown diamond, D VVS2 – 360° view
0.81ct Marquise lab-grown diamond, D VVS10.81ct Marquise lab-grown diamond, D VVS1 – 360° view
1.09ct Heart lab-grown diamond, E VVS21.09ct Heart lab-grown diamond, E VVS2 – 360° view
1.01ct Emerald lab-grown diamond, F VS11.01ct Emerald lab-grown diamond, F VS1 – 360° view
0.93ct Emerald lab-grown diamond, D VS10.93ct Emerald lab-grown diamond, D VS1 – 360° view
0.81ct Emerald lab-grown diamond, D VS20.81ct Emerald lab-grown diamond, D VS2 – 360° view
1.1ct Elongated Cushion lab-grown diamond, F VS11.1ct Elongated Cushion lab-grown diamond, F VS1 – 360° view
1.3ct Round lab-grown diamond, D VS11.3ct Round lab-grown diamond, D VS1 – 360° view
1.1ct Round lab-grown diamond, E VS21.1ct Round lab-grown diamond, E VS2 – 360° view
1.07ct Round lab-grown diamond, D VS11.07ct Round lab-grown diamond, D VS1 – 360° view
0.73ct Round lab-grown diamond, D VS10.73ct Round lab-grown diamond, D VS1 – 360° view
1.01ct Pear lab-grown diamond, E VVS21.01ct Pear lab-grown diamond, E VVS2 – 360° view
1.08ct Round lab-grown diamond, E VVS21.08ct Round lab-grown diamond, E VVS2 – 360° view
1.08ct Round lab-grown diamond, E VVS21.08ct Round lab-grown diamond, E VVS2 – 360° view
1.08ct Round lab-grown diamond, E VVS21.08ct Round lab-grown diamond, E VVS2 – 360° view
1.08ct Round lab-grown diamond, E VVS21.08ct Round lab-grown diamond, E VVS2 – 360° view
1.08ct Round lab-grown diamond, E VVS21.08ct Round lab-grown diamond, E VVS2 – 360° view
1.08ct Round lab-grown diamond, D VS11.08ct Round lab-grown diamond, D VS1 – 360° view
1.08ct Round lab-grown diamond, D VS11.08ct Round lab-grown diamond, D VS1 – 360° view
1.1ct Emerald lab-grown diamond, D VVS21.1ct Emerald lab-grown diamond, D VVS2 – 360° view