Mauboussin Ι A sapphire and diamond necklace

Designed as a series of articulated hammered panels set with three circular-cut sapphires each, alternating with brilliant-cut diamonds, suspending in its centre a dropper of similar design, to a fancy-link chain, diamonds approx. 1.1 carats total, signed 'Mauboussin Paris', numbered, French Assay marks, length 38.0cm