Lalique - 1897 signed Opal, Enamel, Diamond collier de chien. The central section designed as an openwork panel of intertwined gold stems, set w/opal anemone flowers, enhanced by purple/ green/ blue enamel petals, w/old European and rose-cut diamond leaves, to the detachable 14-row pearl band, mounted in gold, 12-1/2" in a red leather fitted case
