STERLE & Cie Large rigid hinged necklace in white gold (750), the open center with a naturalistic concretion motif, holding a large removable pendant in yellow and white gold (750) composed of abstract motifs forming a cloud of concretions, partially paved with thirty-nine brilliant-cut diamonds in seed-setting. Goldsmith's hallmark on the bezel, S. Cie a à l'Opéra. Neck size: approx. 39 cm. Pendant size: 7.1 x 10 cm. Total gross weight: 106.9 g. Minor wear scratches.