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.

Cut – Emerald cuts.
Colour – G.
Clarity – VS1
Carat – Approximately 0.35 carat in the centre, with two estimated 0.20 carat diamonds either side.
Circa – 1950.
Size – Q 1/2 (UK) or 8.25 (US). Complementary sizing is available, can go up or down.
Measurements – From one edge of the diamond to the other is 11.6mm and sits 3.9mm from the finger.
Metal – Platinum. Marked.
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