AgAu Jewellery has dated this piece to the 1960s.

Metal: 18ct Rose Gold.
Stone(s): 1 x diamond approx (0.65ct), 14 diamonds, totaling (0.35ct), totaling (1.00ct)
Hallmark: Marked for 18ct gold,
Size. UK Size P and can be resized
Weight: 3.9g
Condition: Excellent condition
Diamond Cut: Brilliant Cut
Colour: G-H
Clarity: SI1
Carat: 0.65ct, totaling (1.00ct)
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