Around 1930. Platinum. The oval sapphire cabochon of light colour approx. 13 ct. (approx. 13.4 x 10.9 x 8.8 mm), on the sides with 14 pavé setted diam. in 8/8 cut in total approx. 0,40 ct. H.vvs-P. Size 53 (with later white gold addition to enlarge the size), weight approx. 7 g.