A late 19th century diamond corsage brooch

A late 19th century diamond corsage brooch
Of articulated tapering floral design, the two graduated flowerheads with old brilliant-cut diamond centres, rose-cut diamond stamen and old and rose-cut diamond pierced petals, to rose-cut diamond leaves with old brilliant-cut bud detail, circa 1880, sections detachable, later fitted case
See front cover illustration