Made in Italy. 14K Solid Yellow Gold and Natural Blue Sapphire Bead Necklace 17 inches. FINE Jewelry, Elegant, Petite, and beautifully crafted. .28 oz. / 7.937866 grams. Believe this may be an Omega chain, fine and appears fluid, is solid. (no chain links). Sorry, unfamiliar with chain styles/types, please see pictures. Looks petite; yet feels heavier weight for size. The Blue Sapphire beads measure 1/8 x 1/16.  Unable to capture how beautiful this is (camera skill-challenged).