18ct gold, diamond and enamel bangle, Jean Schlumberger for Tiffany & Co., France, of bombe design, the articulated circular bracelet applied with black paillonne enamel accented at intervals with brilliant-cut diamonds collet-set between fluted gold dividers, the diamonds together weighing approximately 6.30 carats, gross weight approximately 145 grams, inner circumference approximately 173 mm, signed Tiffany & Co., Schlumberger, France.