AgAu Jewellery has dated this piece to the 1930s.
?Designed with an oval cut amethyst to the centre, 4.2mm x 6.2mm approx. 0.5ct in claw setting. Twelve round cut diamonds are surrounding, approx. 0.3ct total.

?8mm x 10mm head.
?
Condition ; Excellent. Clean, solid band. Well set amethyst and diamonds. Issue free.
Weight ; 2.9 grams
Size ; O UK, 7 US
Hallmarks ; 18ct
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