Two antique diamond brooches - a bar and an arrow

the bar brooch with a line of eleven uniform old round brilliant cut diamonds collet set and slightly spaced along a knife edge bar, in white on rose metal, tests for silver on 9ct gold, safety pusher on clasp, length 5.8cm, total estimated weight of diamonds 1.20cts; the arrow brooch also set on a knife edge bar, with a small crescent moon and star half way between point and flight, each element set with old cut and rose cut diamonds (four lacking), length 4.3cm (Qty: 2)