MAUBOUSSIN: CULTURED PEARL, SAPPHIRE AND DIAMOND COLLAR, CIRCA 1980 The triple row of cultured pearls connected via three geometric plaques, pavé-set with brilliant-cut diamonds and pear-shaped sapphire accents, diamonds approximately 4.00 carats total, largest sapphire approximately 1.75 carats, signed Mauboussin Paris, numbered 36049, French assay marks, length 39.0cm, fitted case by Mauboussin, 26 Place Vendome, Paris, additional pearls also supplied