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Loose lab-grown diamonds and coloured gemstones on travertine: sapphires, ruby, emerald, aquamarine and paraiba-colour sapphire

Lab Diamonds & Gemstones

Every loose lab-grown stone in one place: lab diamonds and coloured lab gemstones, from sapphires and rubies to emeralds, alexandrites and aquamarines. Choose your stone, then have it set in our solitaire ring or pendant, or a bespoke design.

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4617 products

5.1ct Cushion lab-grown diamond, Fancy Vivid Blue, VS15.1ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
5.1ct Cushion lab-grown diamond, F VS15.1ct Cushion lab-grown diamond, F VS1 – 360° view
5.09ct Cushion lab-grown diamond, Fancy Vivid Blue, VS15.09ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
5.09ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS25.09ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
5.08ct Cushion lab-grown diamond, Fancy Vivid Blue, VS25.08ct Cushion lab-grown diamond, Fancy Vivid Blue, VS2 – 360° view
5.08ct Cushion lab-grown diamond, Fancy Vivid Blue, VS15.08ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
5.07ct Cushion lab-grown diamond, Fancy Vivid Blue, VS15.07ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
5.07ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS25.07ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
5.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VS15.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
5.02ct Cushion lab-grown diamond, Fancy Vivid Blue, VS15.02ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
5ct Cushion lab-grown diamond, Fancy Vivid Blue, VS15ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
4.79ct Cushion lab-grown diamond, G VS24.79ct Cushion lab-grown diamond, G VS2 – 360° view
4.58ct Cushion lab-grown diamond, E VS14.58ct Cushion lab-grown diamond, E VS1 – 360° view
4.51ct Cushion lab-grown diamond, F VS24.51ct Cushion lab-grown diamond, F VS2 – 360° view
4.1ct Cushion lab-grown diamond, G VS24.1ct Cushion lab-grown diamond, G VS2 – 360° view
4.1ct Cushion lab-grown diamond, Fancy Vivid Pink, VS14.1ct Cushion lab-grown diamond, Fancy Vivid Pink, VS1 – 360° view
4.1ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS24.1ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
4.1ct Cushion lab-grown diamond, F VVS24.1ct Cushion lab-grown diamond, F VVS2 – 360° view
4.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VS14.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
4.02ct Cushion lab-grown diamond, Fancy Intense Pink, VS14.02ct Cushion lab-grown diamond, Fancy Intense Pink, VS1 – 360° view
3.93ct Cushion lab-grown diamond, Fancy Vivid Blue, VS13.93ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
3.77ct Cushion lab-grown diamond, F VS13.77ct Cushion lab-grown diamond, F VS1 – 360° view
3.71ct Cushion lab-grown diamond, E VS13.71ct Cushion lab-grown diamond, E VS1 – 360° view
3.7ct Cushion lab-grown diamond, F VS13.7ct Cushion lab-grown diamond, F VS1 – 360° view
3.55ct Cushion lab-grown diamond, H VS13.55ct Cushion lab-grown diamond, H VS1 – 360° view
3.54ct Cushion lab-grown diamond, E VS23.54ct Cushion lab-grown diamond, E VS2 – 360° view
3.5ct Cushion lab-grown diamond, F VS23.5ct Cushion lab-grown diamond, F VS2 – 360° view
3.44ct Cushion lab-grown diamond, F VS23.44ct Cushion lab-grown diamond, F VS2 – 360° view
3.3ct Cushion lab-grown diamond, G VS13.3ct Cushion lab-grown diamond, G VS1 – 360° view
3.08ct Cushion lab-grown diamond, Fancy Vivid Blue, VS13.08ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
2.72ct Cushion lab-grown diamond, E VVS22.72ct Cushion lab-grown diamond, E VVS2 – 360° view
2.58ct Cushion lab-grown diamond, D VVS22.58ct Cushion lab-grown diamond, D VVS2 – 360° view
2.56ct Cushion lab-grown diamond, G VVS22.56ct Cushion lab-grown diamond, G VVS2 – 360° view
2.46ct Cushion lab-grown diamond, D VS22.46ct Cushion lab-grown diamond, D VS2 – 360° view
2.32ct Cushion lab-grown diamond, E VVS22.32ct Cushion lab-grown diamond, E VVS2 – 360° view
2.08ct Cushion lab-grown diamond, Fancy Yellow, VS12.08ct Cushion lab-grown diamond, Fancy Yellow, VS1 – 360° view
2.01ct Cushion lab-grown diamond, Fancy Vivid Green, VS12.01ct Cushion lab-grown diamond, Fancy Vivid Green, VS1 – 360° view
1.56ct Cushion lab-grown diamond, G VS11.56ct Cushion lab-grown diamond, G VS1 – 360° view
1.55ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.55ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.53ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.53ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.48ct Cushion lab-grown diamond, F VVS21.48ct Cushion lab-grown diamond, F VVS2 – 360° view
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1.06ct Cushion lab-grown diamond, Fancy Vivid Pink, VS11.06ct Cushion lab-grown diamond, Fancy Vivid Pink, VS1 – 360° view
1.04ct Cushion lab-grown diamond, Fancy Intense Yellow, VVS21.04ct Cushion lab-grown diamond, Fancy Intense Yellow, VVS2 – 360° view
1.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
0.96ct Cushion lab-grown diamond, D VS10.96ct Cushion lab-grown diamond, D VS1 – 360° view
3.82ct Cushion lab-grown diamond, D VS23.82ct Cushion lab-grown diamond, D VS2 – 360° view

All individual gemstones Jewellery Set