AgAu Jewellery has dated this piece to the 1950s.

Metal: Pendant is 9ct yellow gold. The chain is 18" 9ct yellow gold,
Stones: 1 sapphire (2.50ct), 13 x diamond (0.52ct)
Size: Pendant size 2.2cm long/ 1.1cm wide. Chain size 46cm/ 18"
Hallmarks: Pendant 9ct gold (Tested) /Chain marked 9ct
Weight: 2.66g
Condition: This item is presented in very 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