One stamped 18KT yellow gold lady's cast and hand assembled 4mm thick and 16" long collar necklace with a 18kt yellow gold clasp with a bright polish with florentine surface finish. Total Weight of Necklace 13.70 dwt One stamped 18KT yellow gold lady's cast and hand assembled 4mm thick and 16" long collar necklace with a 18kt yellow gold clasp with a bright polish with florentine surface finish. Total Weight of Necklace 13.70 dwt