AgAu Jewellery has dated this piece to the 1960s.

Metal: 18ct yellow gold
Stone(s): 1 x purple sapphire (6.00ct) 16 x diamonds, totalling (0.50ct)
Ring Measurements: Ring Face. 17mm x 17m.
Hallmark: Hallmarked for 18ct Gold
Size: UK size U1/2
Weight: 7.8g
Condition: Excellent condition
AgAu Jewellery has dated this piece to the 1960s.
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