View our full range of award winning Blue John jewellery. Exquisite jewellery designs incorporating only the finest quality Blue John gemstones. Treasured as one of the world’s rarest minerals, each piece of Blue John is unique and varied in colour, common veining makes every piece of Blue John jewellery truly special. Blue John is a semi precious mineral that can only be found within the Treak Cliff Cavern located in Castleton, Derbyshire in the Peak District National Park. We offer an unrivalled selection of Blue John rings, necklaces, pendants, earrings, and bracelets finished to the highest standard, which is suitable to be worn for all occasions.
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