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 1900s.
Two sets of three old cut diamonds, set in platinum, are interspaced between the sapphires within a beautifully and ornately carved gallery, which continues into the shoulders of the slim, D-shaped shank.

Accompanied by an independent jewellery report from IGR (#30307789).
Cut – Oval cut sapphires and old mine cut diamonds.
Colour – The diamonds are F to G.
Clarity – The diamonds SI1. The sapphires are loupe clean.

Carat – A total approximate sapphire weight of 1.17 carat, with a approximately 0.10 carat of diamonds.
Circa – 1905.
Measurements – From the edge of one outer sapphire to the other is 14.8mm. The ring is 6.5mm at the widest point and sits 3.75mm from the finger.

Size – S (UK) or 9 1/8 (US). Complimentary sizing is available, can go up or down.
Metal – Stamped 18CT PLAT – 18k yellow gold and platinum – and tests as such.
https://www.gatsbyjewellery.co.uk/product/edwardian-1-80-carat-sapphire-old-cut-diamond-trilogy-ring-circa-1905/
Gatsby Jewellery Ltd has dated this piece to the 1900s.
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