"Belle Epoque" Ring In Gold And Diamonds

18 carat yellow gold ring.
It features three old-cut diamonds.
They are surrounded by a garland and knot motif set with rose-cut diamonds.
Weight of the main diamonds: 0.25 X 1 and 0.20 x 2.
Weight of the ring: 6 g.
.Finger size: 60, adjustable.
French work circa 1910