Belle Epoque diamond necklace with cultured pearls

Belle Epoque heart necklace in gold, silver, old-cut diamonds and 4 rows of cultured pearls Necklace in 18k (750°/°°) gold and silver composed of 4 rows of cultured pearls measuring 5.2 to 7.3 mm and a central heart-shaped motif set in its center with an old-cut diamond fancy brownish yellow weighing approximately 0.4 ct (Si2) enhanced with diamond arabesques. Composite foreign labor. The central motif dating from the 1880s was later mounted as a necklace (probably around 1960). Presence of the owl hallmark for work in 18-carat gold from abroad or of uncertain origin. Note natural wear of the mother-of-pearl on a few pearls. Length 43cm Gross weight: 89.66 grams