Gatsby Jewellery Ltd has dated this piece to the 1940s.
Super sweet.

Cut – Old mine cut (with eight-cuts in the shoulders).
Colour – M in the centre (I to J in the shoulders).
Clarity –VS2 in the centre (SI1 in the shoulders).
Carat – The centre is approximately 0.10 carat (with a further 0.03 carat (approx.) in the shoulders).

Circa – 1945.
Size – L 1/2 (UK) or 5 7/8 (US). Complimentary sizing is available, can go up or down.
Measurements – The head of the ring is 4.6 x 4.4mm and sits 5.1mm from the finger.
Metal – 18k gold. The diamonds are set in platinum. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1940s.
Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.
You can view the stock and full dealer information on the Gatsby Jewellery Ltd Profile Page