A cultured pearl and diamond 'Boules' bangle, by Bulgari, and a cultured pearl bangle

A cultured pearl and diamond 'Boules' bangle, by Bulgari, and a cultured pearl bangle
The first composed of sprung geometric panels, alternately-set with twin cultured pearls and pavé diamond sections, inner diameter 5.0cm (sprung), maker's pouch; the second composed of five rows of cultured pearls to curved terminals of brushed finish, inner diameter 4.8cm (sprung)
The first signed Bvlgari, the second signed Jutta Fochmann