Pendant necklace in two golds, enamel, and diamonds

Napoleon III necklace in 750 thousandths (18 carat) yellow and white gold. Venetian mesh. blue enamel. the central old cut diamond weighs approximately 0.07 ct. the 55 small rose-cut diamonds weigh approximately 0.005 ct each. total diamond weight: approximately 0.345 ct. length: 44 cm. length of the part including the patterns: 5 cm. width: 52.5 cm. total weight: 31.76 g. eagle head hallmark. excellent condition