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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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4638 products

Cobalt blue lab-grown spinel, radiant cutCobalt blue lab-grown spinel, radiant cut, side view
Hot pink lab-grown spinel, round cutHot pink lab-grown spinel, round cut, side view
Hot Pink Lab-Grown Spinel – Round Cut Sale price£150 – £990
Cobalt blue lab-grown spinel, pear cutCobalt blue lab-grown spinel, pear cut, side view
Lavender lab-grown spinel, marquise cutLavender lab-grown spinel, marquise cut, side view
Cobalt blue lab-grown spinel, princess cutCobalt blue lab-grown spinel, princess cut, side view
Lavender lab-grown spinel, heart cutLavender lab-grown spinel, heart cut, side view
Lavender Lab-Grown Spinel – Heart Cut Sale price£165 – £665
Red lab-grown spinel, princess cutRed lab-grown spinel, princess cut, side view
Red Lab-Grown Spinel – Princess Cut Sale price£150 – £585
Lavender lab-grown spinel, princess cutLavender lab-grown spinel, princess cut, side view
Red lab-grown spinel, heart cutRed lab-grown spinel, heart cut, side view
Red Lab-Grown Spinel – Heart Cut Sale price£165 – £665
Cobalt blue lab-grown spinel, oval cutCobalt blue lab-grown spinel, oval cut, side view
White lab-grown opal, marquise cabochonWhite lab-grown opal, marquise cabochon, side view
Hot pink lab-grown spinel, baguette cutHot pink lab-grown spinel, baguette cut, side view
Lavender lab-grown spinel, trillion cutLavender lab-grown spinel, trillion cut, side view
Lavender lab-grown spinel, round cutLavender lab-grown spinel, round cut, side view
Lavender Lab-Grown Spinel – Round Cut Sale price£150 – £990
White lab-grown opal, heart cabochonWhite lab-grown opal, heart cabochon, side view
Lab-Grown White Opal – Heart Cabochon Sale price£215 – £740
White lab-grown opal, oval cabochonWhite lab-grown opal, oval cabochon, side view
Lab-Grown White Opal – Oval Cabochon Sale price£170 – £805
Cobalt blue lab-grown spinel, cushion cutCobalt blue lab-grown spinel, cushion cut, side view
White lab-grown opal, round cabochonWhite lab-grown opal, round cabochon, side view
Lab-Grown White Opal – Round Cabochon Sale price£195 – £1,165
Red lab-grown spinel, emerald cutRed lab-grown spinel, emerald cut, side view
Red Lab-Grown Spinel – Emerald Cut Sale price£145 – £820
Red lab-grown spinel, asscher cutRed lab-grown spinel, asscher cut, side view
Red Lab-Grown Spinel – Asscher Cut Sale price£150 – £715
Cobalt blue lab-grown spinel, emerald cutCobalt blue lab-grown spinel, emerald cut, side view
Lavender lab-grown spinel, emerald cutLavender lab-grown spinel, emerald cut, side view
Lavender lab-grown spinel, radiant cutLavender lab-grown spinel, radiant cut, side view
White lab-grown opal, pear cabochonWhite lab-grown opal, pear cabochon, side view
Lab-Grown White Opal – Pear Cabochon Sale price£185 – £600
Red lab-grown spinel, marquise cutRed lab-grown spinel, marquise cut, side view
Red Lab-Grown Spinel – Marquise Cut Sale price£145 – £415
Cobalt blue lab-grown spinel, marquise cutCobalt blue lab-grown spinel, marquise cut, side view
Cobalt blue lab-grown spinel, heart cutCobalt blue lab-grown spinel, heart cut, side view
Lavender lab-grown spinel, pear cutLavender lab-grown spinel, pear cut, side view
Lavender Lab-Grown Spinel – Pear Cut Sale price£145 – £555
Red lab-grown spinel, oval cutRed lab-grown spinel, oval cut, side view
Red Lab-Grown Spinel – Oval Cut Sale price£130 – £715
Hot pink lab-grown spinel, asscher cutHot pink lab-grown spinel, asscher cut, side view
Hot pink lab-grown spinel, trillion cutHot pink lab-grown spinel, trillion cut, side view
Red lab-grown spinel, radiant cutRed lab-grown spinel, radiant cut, side view
Red Lab-Grown Spinel – Radiant Cut Sale price£145 – £570
Red lab-grown spinel, pear cutRed lab-grown spinel, pear cut, side view
Red Lab-Grown Spinel – Pear Cut Sale price£145 – £555
Lavender lab-grown spinel, oval cutLavender lab-grown spinel, oval cut, side view
Lavender Lab-Grown Spinel – Oval Cut Sale price£130 – £715
Hot pink lab-grown spinel, marquise cutHot pink lab-grown spinel, marquise cut, side view
Lavender lab-grown spinel, cushion cutLavender lab-grown spinel, cushion cut, side view
Hot pink lab-grown spinel, heart cutHot pink lab-grown spinel, heart cut, side view
Hot Pink Lab-Grown Spinel – Heart Cut Sale price£165 – £665
Red lab-grown spinel, cushion cutRed lab-grown spinel, cushion cut, side view
Red Lab-Grown Spinel – Cushion Cut Sale price£130 – £620
Red lab-grown spinel, round cutRed lab-grown spinel, round cut, side view
Red Lab-Grown Spinel – Round Cut Sale price£150 – £990
Hot pink lab-grown spinel, princess cutHot pink lab-grown spinel, princess cut, side view
Cobalt blue lab-grown spinel, baguette cutCobalt blue lab-grown spinel, baguette cut, side view
Cobalt blue lab-grown spinel, trillion cutCobalt blue lab-grown spinel, trillion cut, side view
Hot pink lab-grown spinel, radiant cutHot pink lab-grown spinel, radiant cut, side view
Hot pink lab-grown spinel, emerald cutHot pink lab-grown spinel, emerald cut, side view
Lab-grown aquamarine, princess cutLab-grown aquamarine, princess cut, side view
Lab-Grown Aquamarine – Princess Cut Sale price£195 – £735
Zambian-colour lab-grown emerald, trillion cutZambian-colour lab-grown emerald, trillion cut, side view
Lab-grown aquamarine, emerald cutLab-grown aquamarine, emerald cut, side view
Lab-Grown Aquamarine – Emerald Cut Sale price£185 – £1,045
Lab-grown aquamarine, cushion cutLab-grown aquamarine, cushion cut, side view
Lab-Grown Aquamarine – Cushion Cut Sale price£170 – £780

All individual gemstones Jewellery Set