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.

Cut – Emerald cut (with eight-cut diamonds).
Colour – Greenish yellow. The diamonds are G to H.
Clarity – VS. The diamonds are VS1 to VS2.
Carat – 12.87, with approximately 0.20 carat of diamonds.
Circa – 1945.

Weight – The ring is 19.92 grams
Size – M 1/2 (UK) or 6.25 (US). Complimentary sizing is available, can go up or down. There is a limit so how much this can be altered, so please contact us first if you would need this resized.

Measurements – The sapphire is 12.6 x 11.9mm. The ring is 13.3mm at the widest point and sits 9.9mm from the finger.
Metal – Platinum. French hallmarks.
Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/598892212
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