SAPPHIRE AND DIAMOND DROP NECKLACE IN 18KT YELLOW GOLD NECKLACE WITH SAPPHIRE PENDANT in 18kt yellow gold, embellished with brilliant-cut diamonds totalling ct 3.80, from which hangs a removable pendant embellished with a central octagonal-cut sapphire of ct 21 surrounded by navette-cut, oval-cut and drop-cut diamonds totalling ct 3.70, hallmarked 750 and maker's mark, length 40 cm, pendant size 2x3.5 cm, gr. 82. Accompanied by an IGN certificate dated 20/03/2024 certifying the characteristics of the pendant and the absence of heat treatment.