Magnificent Neo Renaissance brooch with flora

Description:

Around 1860-70
7,3 x 4,4 cm
18kt yellow gold (XRF tested). Shell gem. Four red garnets, variation almandine, three opals, ornametal decoration of white and blue enamel. Detachable, heart-shaped pendant. Weight 18.4g.
Private collection, Northern Germany.
Literature:
Gerhart Egger: Bürgerlicher Schmuck, München 1984. type p.176.