AgAu Jewellery has dated this piece to the 1960s.

Metal: Pendant is 9ct gold. The chain is 9ct gold,
Stones: 1 x amethyst (0.50ct), 1 x diamonds (1 points)
Size: Pendant size 1.3cm long / 0.7cm wide. Chain size 18"/45cm
Hallmarks: marked for 9ct gold
Weight: 1.4g
Condition: This item is presented in 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