9ct Yellow Gold Whitby Jet Small Pear Twist Celtic Necklace. P1583. This unique necklace features a stunning pear shaped cabochon of the finest Whitby Jet stone, sourced directly from the north east coast of Yorkshire. The highly polished Whitby Jet gemstone is framed within a 9ct yellow gold Celtic design. The pendant hangs gracefully from a fluid 18 inch long 9 carat yellow gold chain complete with a classic bolt ring clasp for easy wear. All our Whitby Jet jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen turn the raw Jet into these stylish pieces of jewellery. You can find other matching Whitby Jet jewellery and other Whitby Jet earrings on our website. Dimensions: 22x8mm, Whitby Jet: 7x5mm.