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 1930s.

French hallmarks.
Please contact us if you would like to view a copy of the report.
Cut – Mixed cut oval shaped ruby and old mine cut diamonds.

Colour – The diamonds are G.
Clarity – The diamonds are between VS2 and SI1; all are clean to the naked eye. The ruby is eye clean.
Carat – The ruby is approximately 1.00 carat, with an total estimated diamond weight of 1.10 carat

Circa – 1930.
Size – O (UK) or 7 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The head of the ring is 15.3mm by 12.6mm and sits 5.5mm from the finger.
Metal – 18k white gold and platinum. Hallmarked.
Video - To view a video of this ring in daylight, please copy / paste the following link into your browser: https://vimeo.com/263333968
Gatsby Jewellery Ltd has dated this piece to the 1930s.
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