A NATURAL PEARL AND DIAMOND NECKLACE in yellow gold and silver, comprising five rows of graduated natural pearls, 670 pearls in total, ranging 2.9-7.1mm, on a navette shaped openwork clasp set with pearls accented by old cut and rose cut diamonds, no assay marks, shortest row 50.0cm, 60.6g. Accompanied by a gemmological report stating that the pearls (with the exception of those in the clasp which are untested) are natural, and of saltwater origin.