platinum flower ring with diamond

A platinum and 18 carat white gold ring with an asymmetrical ribbed shank set with an old cut diamond (0.9 H, Si2) in the heart and 12 baguette cut diamonds around as a flower (12 x 0.2 krt G-H Si), circa 1950.

weight: 13 g
diameter: 1.7 cm
ring size: 15.5 mm / 4 3/4 US / 49