Bar pin with oval sapphire flanked by 2 brilliant-cut diamonds totaling ca. 0.5 ct,

Needle with oval faceted sapphire flanked by brilliant-cut diamonds totalling ca. 0.5 ct, ca. WHITE (H)/SI, 18K white gold, 7 g, L. 6.7 cm, 2nd half of 20th century, very good condition, with unknown maker's mark, solid craftsmanship.