Brooch with 4 fac. sapphires and 46 diamonds

Brooch with 4 faceted sapphires and 46 brilliant-cut diamonds totalling ca. 1,79 ct, ca. RW (F-G)/VS, 2 round-cut sapphires, D: ca. 4,2 mm, 2 heart-cut sapphires, ca. 5,3 x 4,6 mm, yellow gold 18K, 12,6 g, fine gold plated, L: ca. 52,9 mm, W: ca. 12,3 mm, 20th/21st. century, minimal signs of wear.