A cultured pearl and diamond pendant necklace, the pendant of cross design, centring on a

A cultured pearl and diamond pendant necklace, the pendant of cross design, centring on a brilliant-cut diamond weighing approximately 0.40 carats, surrounded by four cultured pearls of white and grey tints, mounted in white gold, pendant length 4.5cm, stamped 750, chain length 41cm, chain with Italian maker's mark and European convention assay marks for 18ct gold