18ct Rose Gold Whitby Jet Diamond Flower Heart Necklace. P3063. This beautiful pendant features a striking flower motif that has been hand crafted in the finest Whitby Jet, set inside a solid 18ct Rose Gold heart. A sparkling 0.005ct diamond adds stunning detail to the design. The perfect gift for any occasion. The reverse of the pendant features highly polished Whitby Jet, and the piece is completed with an 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. Dimensions: 12mm x 15mm plus 5mm bail.