A late Victorian diamond foliate tiara

A diamond foliate tiara, the centre detachable section with a diamond cluster surrounded by diamond set foliate and scroll design leading to a pear shape top, attached either side by diamond set graduating foliate openwork design, estimated total diamond weight 20 carats set in a silver to yellow gold mount with detachable gold frame, convertible to necklace, the central section converts into a brooch, circa 1880, gross weight 79.3 grams

No. 29021M