Set of 2 necklaces with high-quality bayonet interchangeable clasp

Bundle of 2 necklaces with high quality bayonet changing clasp of 14K yellow gold, 11.3 g, D: 2.8 cm, with brilliant-cut diamond ca. 0.03 ct, 1 necklace of lapis lazuli beads 14 mm with 3 handcrafted beads of 18K yellow gold, L: 45 cm and 1 necklace of Fresh water cultured pearls 11 mm in different colours, L: 43 cm, late 20th century, signs of wear.