An early 20th century jadeite jade and diamond pendant and brooch

An early 20th century jadeite jade and diamond pendant and brooch
The pendant set with a carved jade plaque to a rose-cut diamond surmount and trace-link chain, circa 1920, pendant 6.4cm long; the brooch with oval carved and pierced jade plaque between old-cut diamond terminals of geometric openwork design, circa 1925, 5.6cm wide (2)