Around 1940. Platinum. With rich diamond setting in pavé and bezel setting in old, transition, 8/8, baguette, carrée and round cut of over approx. 16 ct. H-J.vvsi-P. (the centre diam. in transition cut approx. 1,50 ct. I.vsi/si.). W. 25 mm, l. 18 cm, weight with safety chain approx. 53 g.