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 1960s.

Accompanied by an independent jewellery report by IGR (#30307490).
Cut – Rectangular step cut sapphire (baguette cut) with old cut and eight-cut diamonds.
Colour – Diamonds are G to H.
Clarity – The sapphire is VS. The diamonds are VS1 to VS2.

Carat – The sapphire is approximately 0.95 carat, with approximately 0.31 carat of diamonds.
Circa – 1960.
Size – I(i) 1/2 (UK) or 4.5 (US). Complimentary sizing is available, can go up or down.
Measurements – The head of the ring is 11.25 x 10.2mm. Sits 4.1mm from the finger.
Metal – 18k white gold. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1960s.
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