Brooch with 8 brilliant-cut diamonds and 60 octagonal diamonds

Brooch with 8 brilliant-cut diamonds and 60 single-cut diamonds totalling approx. 1.80 ct, of which brillant-cut diamonds approx. 0.60 ct, central brilliant-cut approx. 0.13 ct, RW (F-G)/VS, pavé set, 18K yellow gold/white gold, 9.2 g, width: approx. 24.3 mm, mid-20th century, minimal signs of wear,