Gatsby Jewellery Ltd has dated this piece to the 1960s.

Cut – Rectangular mixed cut sapphire (with eight-cuts in the shoulders),
Colour – The diamonds are H.
Clarity – The sapphire is SI. (The diamonds are VS1).
Carat – The sapphire is 12.88 carat (with a total approximate diamond weight of 0.02 carat.)

Circa – 1960.
Size – N 1/2 (UK) or 6.75 (US). Complimentary sizing is available, can go up or down.
Measurements – The sapphire is 15.4 x 12.2mm. Sits 10.5mm from the finger.
Metal – 18k gold. Tested.
Video - To view a video of this ring recorded in daylight, please copy paste the following link into you browser: https://vimeo.com/720261130
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