Set of 2 necklaces, each with pearls and 1x with diamonds total approx. 0.54 ct,

Set of 2 necklaces with cultured pearls and 6 rondels with brilliant-cut diamonds totalling ca. 0.54 ct, ca. WHITE (H)/VS, 18K yellow gold, 40.5 g, 1 necklace 44-46 cm, with Akoya pearls 2.5 and 5 mm, other one with Akoya and South Sea pearls 2.5-16 mm, different possibilities of combining and wearing, 20th/21st century, pearls partly with signs of wear, otherwise good condition.