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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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4765 products

Purple lab-grown spinel, princess cutPurple lab-grown spinel, princess cut, side view
Purple Lab-Grown Spinel – Princess Cut Sale price£150 – £585
Deep teal lab-grown spinel, asscher cutDeep teal lab-grown spinel, asscher cut, side view
Purple lab-grown spinel, emerald cutPurple lab-grown spinel, emerald cut, side view
Purple Lab-Grown Spinel – Emerald Cut Sale price£145 – £820
Deep teal lab-grown spinel, heart cutDeep teal lab-grown spinel, heart cut, side view
Deep Teal Lab-Grown Spinel – Heart Cut Sale price£165 – £665
Sky blue lab-grown spinel, marquise cutSky blue lab-grown spinel, marquise cut, side view
Sky blue lab-grown spinel, baguette cutSky blue lab-grown spinel, baguette cut, side view
Deep teal lab-grown spinel, marquise cutDeep teal lab-grown spinel, marquise cut, side view
Navy blue lab-grown spinel, heart cutNavy blue lab-grown spinel, heart cut, side view
Navy Blue Lab-Grown Spinel – Heart Cut Sale price£165 – £665
Pink lab-grown spinel, pear cutPink lab-grown spinel, pear cut, side view
Pink Lab-Grown Spinel – Pear Cut Sale price£145 – £555
Navy blue lab-grown spinel, trillion cutNavy blue lab-grown spinel, trillion cut, side view
Pink lab-grown spinel, oval cutPink lab-grown spinel, oval cut, side view
Pink Lab-Grown Spinel – Oval Cut Sale price£130 – £715
Purple lab-grown spinel, pear cutPurple lab-grown spinel, pear cut, side view
Purple Lab-Grown Spinel – Pear Cut Sale price£145 – £555
Purple lab-grown spinel, round cutPurple lab-grown spinel, round cut, side view
Purple Lab-Grown Spinel – Round Cut Sale price£150 – £990
Sky blue lab-grown spinel, princess cutSky blue lab-grown spinel, princess cut, side view
Sky blue lab-grown spinel, trillion cutSky blue lab-grown spinel, trillion cut, side view
Deep teal lab-grown spinel, princess cutDeep teal lab-grown spinel, princess cut, side view
Deep teal lab-grown spinel, radiant cutDeep teal lab-grown spinel, radiant cut, side view
Navy blue lab-grown spinel, marquise cutNavy blue lab-grown spinel, marquise cut, side view
Mauve lab-grown spinel, trillion cutMauve lab-grown spinel, trillion cut, side view
Mauve Lab-Grown Spinel – Trillion Cut Sale price£155 – £600
Pink lab-grown spinel, round cutPink lab-grown spinel, round cut, side view
Pink Lab-Grown Spinel – Round Cut Sale price£150 – £990
Deep teal lab-grown spinel, emerald cutDeep teal lab-grown spinel, emerald cut, side view
Hot pink lab-grown spinel, cushion cutHot pink lab-grown spinel, cushion cut, side view
Lavender lab-grown spinel, asscher cutLavender lab-grown spinel, asscher cut, side view
Cobalt blue lab-grown spinel, round cutCobalt blue lab-grown spinel, round cut, side view
Red lab-grown spinel, trillion cutRed lab-grown spinel, trillion cut, side view
Red Lab-Grown Spinel – Trillion Cut Sale price£155 – £600
Hot pink lab-grown spinel, pear cutHot pink lab-grown spinel, pear cut, side view
Hot Pink Lab-Grown Spinel – Pear Cut Sale price£145 – £555
Lavender lab-grown spinel, baguette cutLavender lab-grown spinel, baguette cut, side view
Hot pink lab-grown spinel, oval cutHot pink lab-grown spinel, oval cut, side view
Hot Pink Lab-Grown Spinel – Oval Cut Sale price£130 – £715
Cobalt blue lab-grown spinel, Asscher cutCobalt blue lab-grown spinel, Asscher cut, side view
Red lab-grown spinel, baguette cutRed lab-grown spinel, baguette cut, side view
Red Lab-Grown Spinel – Baguette Cut Sale price£125 – £335
White lab-grown opal, cushion cabochonWhite lab-grown opal, cushion cabochon, side view
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

All individual gemstones Jewellery Set