A DIAMOND AND JET PENDANT NECKLACE, BY ENIGMAThe round black jet pendant, decorated with pavé-set round brilliant-cut diamond arrows at the centre, suspending from a black satin cord with silver terminals, the pendant mounted in 18K gold, diamonds approximately 0.70ct total, signed Enigma, Italian assay marks, with two additional cords, one in red wine velvet and the other in black leather, with maker's pouch, pendant length 3.6cm