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 1920s.
On a slim platinum shank.

Accompanied by a jewellery report from HRD Antwerp (#J180000008505).
Cut – Oval shaped old cut diamonds.
Colour – Light yellow (M to O)
Clarity – From VS2 to SI2; all the diamonds are clean to the naked eye.

Carat – The largest diamond is approximately 0.55 carat, with a total estimated carat weight of 2.75.
Circa – 1920.
Size – M (UK) or 6 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The head of the ring is 18.3 x 10.1mm. Sits 4mm from the finger.

Metal – Platinum. Tested.
Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/337516831
https://www.gatsbyjewellery.co.uk/product/art-deco-7-29-carat-natural-ceylon-sapphire-diamond-ring-circa-1935/
Gatsby Jewellery Ltd has dated this piece to the 1920s.
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