Brooch with diamonds totaling ca. 1.8 ct and 3 pearls,

Brooch with diamonds totalling ca. 1.8 ct and 3 Akoya cultured pearls, 14K yellow gold and silver, 19.6 g, D: 5 cm, mariage made of antique center piece around 1870 with 4 full Antwerpian rose-cut diamonds, 3 old-european-cut and 3 small rose-cut diamonds in pressed silver settings, on handcrafted brooch out of the 1950s, mint condition.