It was listed by Gatsby Jewellery Ltd. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Gatsby Jewellery Ltd has dated this piece to the 1940s.
Two pairs of eight-cut diamonds are set in the geometric, milgrained shoulders which lead to a slim platinum shank. A wonderfully bold and detailed engagement ring.

Accompanied by an independent jewellery report from IGR (#30307989).
Cut – Old mine cut (with eight-cuts in the shoulders).
Colour – J.
Clarity – VS1.
Carat – The centre is a known 0.60 carat, with a further approximate 0.07 carat in the shoulders.

Circa – 1940.
Size – J (UK) or 4 5/8 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The diamond is 4.4 x 5mm. Sits 5mm from the finger.
Metal – Platinum. Tested.
https://www.gatsbyjewellery.co.uk/product/art-deco-0-60-carat-old-cut-diamond-engagement-ring-circa-1940/
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