Pearl, diamond, sapphire necklace

Pendant chain in 18k 750/000 white gold (750 hallmark) in the shape of an openwork wave, set with a golden cultured pearl approximately 10 mm in diameter and paved with brilliant diamonds and sapphires. Dimensions: chain of 40 cm long and pendant of 3 cmgross weight: 14.20 gr2 hallmarks 750 at each end of the chain and 1 goldsmith's hallmark St CPMref.321