Jan Logan, 18ct white gold, South Sea pearl, onyx and diamond necklace. Comprising a near round pearl of white hues measuring approximately 12.5 mm, suspended below a pear-cut cabochon onyx and brilliant-cut diamond cluster surmount, to an integral cable link chain completed by a bolt ring clasp, signed Jl for Jan Logan, pendant length 25 mm, necklace length 430 mm.. Accompanied by a Jan Logan box