Gatsby Jewellery Ltd has dated this piece to the 1950s.

Accompanied by an independent jewellery report from IGR (#30309267).
Cut – The four main stones are old mine cuts. The diamonds in the gallery are eight-cuts and round brilliant cuts.
Colour – The four main stones are G to J. The diamonds in the gallery are F to G.

Clarity – The main diamonds are VS1 to SI1. The smaller diamonds are SI1.
Carat – The total approximate weight of the main diamonds is 0.97 carat, with a further approximate 0.08 carat in the shoulders.

Circa – 1950.
Size – N 1/2 (UK) or 6.75 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The head of the ring is 13.5 x 8.75mm. Sits 5mm from the finger.
Metal – 18k white gold. The four main diamonds are set in platinum. Tested.
Video – To view a video of this ring in daylight, please copy / paste the following link in your browser: https://vimeo.com/556569942
Gatsby Jewellery Ltd has dated this piece to the 1950s.
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