Gatsby Jewellery Ltd has dated this piece to the 1960s.
The wired under-gallery leads to a slim platinum shank. Truly top class.

Accompanied by an independent jewellery report from SGL (#SGLJL645287M).
Cut – Oval shaped sapphire and round brilliant cut diamonds.
Colour – The diamonds are F to G.
Clarity – The diamonds are VVS2 to VS1.

Carat – The sapphire is 3.06 carat. The total approximate diamond weight is 1.00 carat.
Circa – 1960.
Size – G (UK) or 3 3/8 (US). Complimentary sizing is available, can go up or down.
Measurements – The sapphire is 10.1 x 8.4mm. The head of the ring is 19 x 14.9mm and sits 8.2mm 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/857474343
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