You are viewing a very fine quality solid 18K yellow gold custom made necklace from the 1980's. The necklace measures 17" long and has a width ranging from 6mm in the back to 12.3mm in the front. The necklace is set with fine quality Blue Sapphires weighing around 0.75 carat in total. The necklace is marked 750 for 18K and has a maker's logo. It has a locking style clasp with a figure 8 safety attached. The necklace is heavy and weighs 62.8 grams.