A tourmaline, freshwater cultured pearl, diamond and enamel necklace and two pairs of earrings

A tourmaline, freshwater cultured pearl, diamond and enamel necklace and two pairs of earrings
The necklace composed of a single row of freshwater cultured pearls set with a series of graduated faceted pink tourmaline drops with green and red enamel and flat-cut diamond caps to cultured pearl accent surmounts, the reverse with polychrome enamel decoration, to a cord fastener ; the two pairs of earpendants of similar design, one pair with clip and post fittings, , 6.2cm long, the other pair with post fittings, 3.6cm long