Fine 18ct white gold & opal pendant, stamped 750, Je, featuring a clam shaped fossilized opal, set within a handmade 18ct white gold framework with enhancer, adorned with fourteen grain set round brilliant cut diamonds totalling 0.17ct, suspended on a turquoise disc beaded necklace with two white gold serpent style coils containing fifty four grain set round diamonds totalling 0.51ct, the necklace uniting via a lobster clasp, total length 44 cm, pendant weight 23.58gm, drop 5.2 cm