Around 1920/30. 14 ct. yellow and white gold. Navette shaped ringtop, with 3 diam. in old and round brillant cut in millegriffes setting in total approx. 1 ct. H-I.vs-P and 14 small diam. in 8/8 and old cut in total approx. 0,35 ct. I/J.vs-si. Ringtop w. 23 mm, size 54, weight approx. 3,4 g.