White gold setting bearing two hallmarks inside the ring: 840 and a spoked wheel symbol, unidentified.
18-carat gold tested with a touchstone.
The sapphires are probably synthetic.
Please note:
On the outside, traces of wear on the facets of the calibrated ones.
On the inside, a small lack on one of the partitions.
Art Deco period around 1925.
Size 5
Weight 6g