AgAu Jewellery has dated this piece to the 1950s.

Metal: 18ct yellow gold
Stones: 1 x sapphire (1.00ct), 18 x diamonds totalling (1.00ct)
Ring Size. The face of the ring measures 14mm x 14mm
Ring Weight. 4.1g
Hallmarks: Marked for 18ct gold
Size.UK Size O
Condition. The rings is presented in vey good 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