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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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4635 products

Colombian-colour lab-grown emerald, radiant cutColombian-colour lab-grown emerald, radiant cut, side view
Colombian-colour lab-grown emerald, princess cutColombian-colour lab-grown emerald, princess cut, side view
Lab-grown aquamarine, pear cutLab-grown aquamarine, pear cut, side view
Lab-Grown Aquamarine – Pear Cut Sale price£185 – £700
Zambian-colour lab-grown emerald, heart cutZambian-colour lab-grown emerald, heart cut, side view
Lab-grown alexandrite, pear cut, in daylightLab-grown alexandrite, pear cut, under warm indoor light
Lab-Grown Alexandrite – Pear Cut Sale price£185 – £700
Lab-grown aquamarine, oval cutLab-grown aquamarine, oval cut, side view
Lab-Grown Aquamarine – Oval Cut Sale price£170 – £905
Colombian-colour lab-grown emerald, pear cutColombian-colour lab-grown emerald, pear cut, side view
Colombian-colour lab-grown emerald, Asscher cutColombian-colour lab-grown emerald, Asscher cut, side view
Lab-grown alexandrite, baguette cut, in daylightLab-grown alexandrite, baguette cut, under warm indoor light
Lab-Grown Alexandrite – Baguette Cut Sale price£160 – £405
Zambian-colour lab-grown emerald, Asscher cutZambian-colour lab-grown emerald, Asscher cut, side view
Lab-grown alexandrite, oval cut, in daylightLab-grown alexandrite, oval cut, under warm indoor light
Lab-Grown Alexandrite – Oval Cut Sale price£170 – £905
Colombian-colour lab-grown emerald, marquise cutColombian-colour lab-grown emerald, marquise cut, side view
Lab-grown aquamarine, heart cutLab-grown aquamarine, heart cut, side view
Lab-Grown Aquamarine – Heart Cut Sale price£215 – £840
Colombian-colour lab-grown emerald, baguette cutColombian-colour lab-grown emerald, baguette cut, side view
Lab-grown aquamarine, baguette cutLab-grown aquamarine, baguette cut, side view
Lab-Grown Aquamarine – Baguette Cut Sale price£160 – £405
Lab-grown aquamarine, radiant cutLab-grown aquamarine, radiant cut, side view
Lab-Grown Aquamarine – Radiant Cut Sale price£185 – £710
Zambian-colour lab-grown emerald, cushion cutZambian-colour lab-grown emerald, cushion cut, side view
Lab-grown aquamarine, trillion cutLab-grown aquamarine, trillion cut, side view
Lab-Grown Aquamarine – Trillion Cut Sale price£205 – £755
Colombian-colour lab-grown emerald, heart cutColombian-colour lab-grown emerald, heart cut, side view
Colombian-colour lab-grown emerald, emerald cutColombian-colour lab-grown emerald, emerald cut, side view
Lab-grown aquamarine, round cutLab-grown aquamarine, round cut, side view
Lab-Grown Aquamarine – Round Cut Sale price£195 – £1,265
Lab-grown alexandrite, heart cut, in daylightLab-grown alexandrite, heart cut, under warm indoor light
Lab-Grown Alexandrite – Heart Cut Sale price£215 – £840
Lab-grown alexandrite, Asscher cut, in daylightLab-grown alexandrite, Asscher cut, under warm indoor light
Lab-Grown Alexandrite – Asscher Cut Sale price£195 – £905
Zambian-colour lab-grown emerald, princess cutZambian-colour lab-grown emerald, princess cut, side view
Zambian-colour lab-grown emerald, oval cutZambian-colour lab-grown emerald, oval cut, side view
Colombian-colour lab-grown emerald, trillion cutColombian-colour lab-grown emerald, trillion cut, side view
Lab-grown aquamarine, marquise cutLab-grown aquamarine, marquise cut, side view
Lab-Grown Aquamarine – Marquise Cut Sale price£185 – £510
Lab-grown alexandrite, cushion cut, in daylightLab-grown alexandrite, cushion cut, under warm indoor light
Lab-Grown Alexandrite – Cushion Cut Sale price£170 – £780
Colombian-colour lab-grown emerald, round cutColombian-colour lab-grown emerald, round cut, side view
Lab-grown alexandrite, round cut, in daylightLab-grown alexandrite, round cut, under warm indoor light
Lab-Grown Alexandrite – Round Cut Sale price£195 – £1,265
Lab-grown alexandrite, radiant cut, in daylightLab-grown alexandrite, radiant cut, under warm indoor light
Lab-Grown Alexandrite – Radiant Cut Sale price£185 – £710
Colombian-colour lab-grown emerald, cushion cutColombian-colour lab-grown emerald, cushion cut, side view
Lab-grown alexandrite, marquise cut, in daylightLab-grown alexandrite, marquise cut, under warm indoor light
Lab-Grown Alexandrite – Marquise Cut Sale price£185 – £510
Lab-grown aquamarine, Asscher cutLab-grown aquamarine, Asscher cut, side view
Lab-Grown Aquamarine – Asscher Cut Sale price£195 – £905
Zambian-colour lab-grown emerald, round cutZambian-colour lab-grown emerald, round cut, side view
Colombian-colour lab-grown emerald, oval cutColombian-colour lab-grown emerald, oval cut, side view
Lab-grown alexandrite, princess cut, in daylightLab-grown alexandrite, princess cut, under warm indoor light
Lab-Grown Alexandrite – Princess Cut Sale price£195 – £735
Zambian-colour lab-grown emerald, baguette cutZambian-colour lab-grown emerald, baguette cut, side view
Zambian-colour lab-grown emerald, marquise cutZambian-colour lab-grown emerald, marquise cut, side view
Teal lab-grown sapphire, radiant cutTeal lab-grown sapphire, radiant cut, side view
Teal Lab-Grown Sapphire – Radiant Cut Sale price£185 – £710
Teal lab-grown sapphire, baguette cutTeal lab-grown sapphire, baguette cut, side view
Teal Lab-Grown Sapphire – Baguette Cut Sale price£160 – £405
Teal lab-grown sapphire, emerald cutTeal lab-grown sapphire, emerald cut, side view
Teal Lab-Grown Sapphire – Emerald Cut Sale price£185 – £1,045
Teal lab-grown sapphire, Asscher cutTeal lab-grown sapphire, Asscher cut, side view
Teal Lab-Grown Sapphire – Asscher Cut Sale price£195 – £905
Teal lab-grown sapphire, heart cutTeal lab-grown sapphire, heart cut, side view
Teal Lab-Grown Sapphire – Heart Cut Sale price£215 – £840
Teal lab-grown sapphire, princess cutTeal lab-grown sapphire, princess cut, side view
Teal Lab-Grown Sapphire – Princess Cut Sale price£195 – £735
Teal lab-grown sapphire, trillion cutTeal lab-grown sapphire, trillion cut, side view
Teal Lab-Grown Sapphire – Trillion Cut Sale price£205 – £755
Teal lab-grown sapphire, oval cutTeal lab-grown sapphire, oval cut, side view
Teal Lab-Grown Sapphire – Oval Cut Sale price£170 – £905
Teal lab-grown sapphire, cushion cutTeal lab-grown sapphire, cushion cut, side view
Teal Lab-Grown Sapphire – Cushion Cut Sale price£170 – £780

All individual gemstones Jewellery Set