Belle Époque necklace with sapphire pendant surrounded by genuine pearls and diamonds

Belle Époque necklace with sapphire pendant surrounded by genuine pearls and single cut diamonds. The necklace is silver and measures 41 cm. The pendant is in 14 kt gold, it is not stamped, it is acid test for a quantity of 14 kt gold. Measures attached: Length 3 cm. Diameter 1,5 cm.