Gatsby Jewellery Ltd has dated this piece to the 1880s.
Lovely.

Internal stamp of Queen Victoria’s head (an Assay duty mark that was used pre-1880).
Accompanied by an independent jewellery report.
Cut -Round cabochon sapphire and old mine cut diamonds.
Colour – Diamonds are G and H respectively.

Clarity – The diamonds are VS1 and SI1. The sapphire is VVS.
Carat – The sapphire is approximately 2.00. The total approximate diamond weight is 1.10 carat.
Circa – 1880.
Size – P 1/2 (UK) or 7 3/4 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The band is 3.5mm graduating up to 8mm. The top of the sapphire sits 4.8mm from the finger
Metal – 18k gold. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1880s.
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