Two diamond-set flower rings

Two diamond-set flower rings
The first with oval rose-cut diamond centre to a marquise-cut diamond articulated surround and blued titanium petal border, with pavé brilliant-cut diamond single shoulder, finger size O; the second with pavé brilliant-cut diamond circular centre to three ebony petals with diamond edging and one pavé brilliant-cut diamond petal, the underside with brilliant-cut diamond and circular green garnet accents, finger size Q
The second ring signed Valente