18ct Rose Gold Whitby Jet Mother of Pearl Diamond Flower Pear Necklace. P3065. This eye catching 18ct Rose Gold pear drop pendant features both the finest hand carved Whitby Jet and White Mother of Pearl flowers, which creates a beautiful contrast between the two gemstones. Each flower is set with a single 0.02ct Diamond adding sparkling detail. The reverse of this pendant reveals simple yet stunning natural beauty of highly polished Whitby Jet in its purest form. Sold complete with 18 inch Rose Gold chain. All our Whitby Jet jewellery is designed and crafted within our very own workshops in Derbyshire where a team of skilled craftsmen transform the natural Jet into these stunning pieces of jewellery. You can find other matching Whitby Jet jewellery and other Whitby Jet necklaces on our website. 18ct Rose Gold Whitby Jet Mother of Pearl Diamond Flower Pear Necklace. Dimensions: 23mm x 18mm, plus a 7mm bail.