AN IMPORTANT NATURAL PEARL NECKLACE WITH ART DECO DIAMOND CLASP BY CARTIER comprising a single row of alternating larger and smaller pearls, the largest 6.6mm, the smallest 4.0mm, the lozenge shaped clasp set with two triangular. cut diamonds in a border of single cut diamonds, signed Cartier, French assay marks for platinum, 142.0cm, 55.9g. Accopmanied by a gemmological report stating that the pearls are natural and of saltwater origin.