Antique Silver Topped Gold, Diamond, and Pearl Brooch / Lavalier Necklace

the silver topped gold mount in an open scrolled design set with old European cut diamonds (the largest weighing approximately .46 carat) and old rose cut diamonds (the largest weighing approximately .57 carat), and set with two pearls (6mm; 6.5mm) to the center, with a center drop set with an old rose cut diamond, joined to a fine silver link chain, with fittings for conversion to brooch. Total diamond weight approximately 3.29 carats (J-L color, SI-I clarity).
1 7/8 x 1 11/16 in.; 24.5 in. (adjustable)
Brooch / Pendant 8.7 dwt. approximately

Good estate condition; some diamonds with chips visible under magnification and appropriate to age.