A DIAMOND AND ENAMEL NECKLACE, BY BARBARA TIPPLE
The hinged oval collar of triangular tapering cross section with shaded pinkish-yellow enamel panels and brilliant-cut diamond spacers, the front with pavé brilliant-cut diamond concave shell motif forming the clasp, 1970s
A DIAMOND AND ENAMEL NECKLACE, BY BARBARA TIPPLE
The hinged oval collar of triangular tapering cross section with shaded pinkish-yellow enamel panels and brilliant-cut diamond spacers, the front with pavé brilliant-cut diamond concave shell motif forming the clasp, 1970s