An early 20th century diamond and pearl brooch and ring

An early 20th century diamond and pearl brooch and ring
The brooch of openwork octafoil form set with old brilliant-cut diamond collets and a single pearl centre, within a rose-cut diamond frame, 5.6cm long; the vertically set cluster with central pearl to an old brilliant-cut diamond surround and single-cut diamond shoulders, finger size M, pearls not tested for natural origin