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 1950s.
Mightily impressive.

Accompanied by an independent jewellery report from IGR (#30307489).
Cut – Oval cut emerald and eight-cut diamonds.
Colour – The diamonds are G to H.
Clarity – There are some visible inclusions in the emerald. This is normal and expected in emeralds, especially those of this size.

Carat – The emerald is 15.10 carat, with and approximate diamond weight of 0.23 carat.
Circa – 1955.
Measurements – The emerald is approximately 21.5 x 17.1mm. Sits 8.8mm from the finger.
Size – O 1/2 (UK) or 7.25 (US). Complimentary sizing is available, can go up or down.

Metal – Stamped 750 – 18k white gold – and tests as such.
Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/318168415
Gatsby Jewellery Ltd has dated this piece to the 1950s.
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