Gatsby Jewellery Ltd has dated this piece to the 1960s.
The gems are set in 18k white gold and sits on a slender 18k yellow gold shank which splits at the shoulders. Currently UK size N, US size 6.5 (complimentary sizing available).

Accompanied by an independent jewellery report from IGR (#30310644).
Cut – Round cut rubies and old European cut diamonds.
Colour – The diamonds range from I to K.
Clarity – The rubies are eye-clean. The diamonds are I1

Carat – The total approximate ruby weight is 0.74 carat, with approximately 0.52 carat of diamonds.
Measurements – The head of the ring is 8.9 x 16.5mm and sits 3.6mm from the finger.
Size – N (UK) or 6.5 (US). Complimentary sizing is available, can go up or down.
Weight – 3.32 grams.
Metal – 18k white and yellow gold. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1960s.
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