Necklace with 5 sapphires,

Necklace with 5 sapphires, oval faceted, in course from 6.6 x 4.8 to 9.7 x 6.9 mm, 16 brilliant cut diamonds, good colour and clarity, totalling ca. 0.68 ct, 14K white gold, 15.2 g, L: 42 cm, box clasp with security catch, 2nd half of 20th century, minimal signs of wear.