A French cultured pearl necklace with yellow sapphire and diamond pendant, the single row of uniform cultured pearls suspending a detachable octagonal domed panel pendant pavé set with brilliant-cut diamonds, centred with a collet set step-cut yellow sapphire, to a border of channel set calibré-cut yellow sapphires, to similarly set bale, the pearls to a double hoop clasp, one polished, the other pavé set with brilliant-cut diamonds, mounted in yellow gold, bearing French eagle’s head assay marks, in pale blue suede case, signed ‘Jacquot, Strasborg’, necklace length 42cm. £2000-3000