Gatsby Jewellery Ltd has dated this piece to the 1920s.
The diamond is flanked by a pair of bright, natural rubies set in platinum, leading to a slender 18k yellow gold shank.

Accompanied by an independent jewellery report from IGR (#30310372).
Cut – Old mine cut diamond and cushion cut rubies.
Colour – The diamond is F.
Clarity – The diamond is VVS2.
Carat – The diamond is approximately 0.64 carat, with a total approximate ruby weight of 0.58 carat.

Circa – 1920.
Measurements – From the outer edge of ruby to the other is 12.25mm. The ring is 5.9mm at the widest point and sits 4.8mm from the finger
Size – O (UK) or 7 (US). Complimentary sizing is available, can go up or down.
Metal – 18k yellow gold and platinum. Stamped and tested.
Gatsby Jewellery Ltd has dated this piece to the 1920s.
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