An opal and diamond-set necklace, 1970s

An opal and diamond-set necklace, 1970s Of openwork design, composed of cups and beads, set with circular cabochon opals and brilliant-cut diamonds (Length: 37.0cm) Footnote: The cups and beads design of this necklace is very similar to pieces by John Donald and Stuart Devlin of the late 1960s/1970s.