AgAu Jewellery has dated this piece to the 1930s.

CONDITION ; Excellent. Well set stones, good strong claws. Strong, professionally polished band. Please view photographs.
WEIGHT ; 3.1 grams
SIZE ; R UK, 8 3/4 US
HALLMARKS ; none, tested as 18ct gold
AgAu Jewellery has dated this piece to the 1930s.
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