9ct Yellow Gold Blue John Celtic Cross Necklace, P3128 This unique necklace features a central locally sourced Derbyshire Blue John gemstone. The hand carved round stone is enclosed by an intricate Celtic knot design, finely handcrafted in 9ct yellow gold. Sold complete with an 18 inch 9ct yellow gold chain with a classic bolt ring style clasp, this rare British gemstone set necklace is perfectly designed for everyday wear.  All our Blue John jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform the natural Blue John stone into these stylish pieces of jewellery. You can find other matching Blue John jewellery on our website. Dimensions: 27mm x 20mm, Blue John; 7mm x 7mm