Antique sleepers in gold, silver and diamonds

Sleepers in 18k (750°/°°) gold and silver composed of a barrette set with four rose-cut diamonds, each supporting an old mine cut diamond weighing approximately 0.25 carats.
Probably French work from the 1910s

Excellent general condition
Gross weight: 2.78
Height: 2.3cm
Quality of diamonds: the first E/F VS+ and the second G/H P1