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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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4606 products

1.08ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.08ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.08ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.08ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.07ct Cushion lab-grown diamond, Fancy Vivid Blue, VS21.07ct Cushion lab-grown diamond, Fancy Vivid Blue, VS2 – 360° view
1.07ct Cushion lab-grown diamond, Fancy Vivid Blue, VS21.07ct Cushion lab-grown diamond, Fancy Vivid Blue, VS2 – 360° view
1.07ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.07ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.07ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.07ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.06ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.06ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.06ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.06ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.06ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VS11.06ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.06ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.06ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.06ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.06ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.06ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.06ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.05ct Cushion lab-grown diamond, Fancy Vivid Blue, VS21.05ct Cushion lab-grown diamond, Fancy Vivid Blue, VS2 – 360° view
1.05ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.05ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.05ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.05ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.05ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.05ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.05ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.05ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.05ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.05ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.04ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.03ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.03ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.03ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.03ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.03ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.03ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.03ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.03ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.03ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.03ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.03ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.03ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.03ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.03ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.03ct Elongated Cushion lab-grown diamond, D VS11.03ct Elongated Cushion lab-grown diamond, D VS1 – 360° view
1.02ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VS21.02ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VS2 – 360° view
1.02ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.02ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.02ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.02ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.02ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.02ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.02ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.02ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
1.01ct Cushion lab-grown diamond, Fancy Vivid Blue, SI11.01ct Cushion lab-grown diamond, Fancy Vivid Blue, SI1 – 360° view
1.01ct Cushion lab-grown diamond, Fancy Vivid Blue, VS21.01ct Cushion lab-grown diamond, Fancy Vivid Blue, VS2 – 360° view
1.01ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VS11.01ct Elongated Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.01ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.01ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.01ct Cushion lab-grown diamond, Fancy Vivid Blue, VS11.01ct Cushion lab-grown diamond, Fancy Vivid Blue, VS1 – 360° view
1.01ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS21.01ct Cushion lab-grown diamond, Fancy Vivid Blue, VVS2 – 360° view
0.99ct Elongated Cushion lab-grown diamond, D VS10.99ct Elongated Cushion lab-grown diamond, D VS1 – 360° view
0.98ct Cushion lab-grown diamond, D VVS20.98ct Cushion lab-grown diamond, D VVS2 – 360° view
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0.96ct Elongated Cushion lab-grown diamond, Fancy Vivid Pink, VVS20.96ct Elongated Cushion lab-grown diamond, Fancy Vivid Pink, VVS2 – 360° view
0.96ct Elongated Cushion lab-grown diamond, D VS10.96ct Elongated Cushion lab-grown diamond, D VS1 – 360° view
0.96ct Elongated Cushion lab-grown diamond, D VS10.96ct Elongated Cushion lab-grown diamond, D VS1 – 360° view
0.89ct Elongated Cushion lab-grown diamond, E VS10.89ct Elongated Cushion lab-grown diamond, E VS1 – 360° view

All individual gemstones Jewellery Set