AgAu Jewellery has dated this piece to the 1950s.

Metal: Palladium PD950 White Metal
Stone(s): 1 x aquamarine (0.50ct), 12 x diamonds, totalling (0.30ct)
Measurements: Ring face 16mm x 4mm
Hallmark: Marked PD950 Palladium
Size. Size J
Weight: 2.2g
Condition: Excellent condition
AgAu Jewellery has dated this piece to the 1950s.
Agau jewellery offer an extensive range of 9ct and 18ct gold jewellery.
You can view the stock and full dealer information on the AgAu Jewellery Profile Page