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Radiant Lab-Grown Gemstones

Radiant lab-grown gemstones. A rectangle with cut corners and lively, crushed-ice sparkle. Choose from lab-grown sapphires in more than 20 colours, lab-grown rubies and more, in calibrated millimetre sizes.

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24 products

Royal blue lab-grown sapphire, radiant cutRoyal blue lab-grown sapphire, radiant cut, side view
Royal Blue Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Lab-grown ruby, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Lab-Grown Ruby – Radiant Cut Sale priceFrom £185.00
Colombian-colour lab-grown emerald, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Colombian-Colour Lab-Grown Emerald – Radiant Cut Sale priceFrom £185.00
Vivid hot pink lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Vivid Hot Pink Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Yellow lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Yellow Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Lab-grown aquamarine, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Lab-Grown Aquamarine – Radiant Cut Sale priceFrom £185.00
Purple lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Purple Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Padparadscha lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Padparadscha Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Paraiba-colour lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Paraiba-Colour Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Lab-grown alexandrite, radiant cut, in daylightLab-grown alexandrite, radiant cut, under warm indoor light
Lab-Grown Alexandrite – Radiant Cut Sale priceFrom £185.00
Pink lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Pink Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Cornflower blue lab-grown sapphire, radiant cutCornflower blue lab-grown sapphire, radiant cut, side view
Cornflower Blue Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Orange lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Orange Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Zambian-colour lab-grown emerald, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Zambian-Colour Lab-Grown Emerald – Radiant Cut Sale priceFrom £185.00
Lavender lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Lavender Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Teal lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Teal Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
White lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
White Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Violet-blue lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Violet-Blue Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Pinkish-purple lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Pinkish Purple Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Mint green lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Mint Green Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Pastel blue lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Pastel Blue Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Green lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Green Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Violet lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Violet Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00
Sage green lab-grown sapphire, radiant cutRadiant cut size guide: every size shown to scale on a finger, ear and neck, with a mm ruler
Sage Green Lab-Grown Sapphire – Radiant Cut Sale priceFrom £185.00