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

Accompanied by an independent jewellery report from IGR (#30310448).
Cut – Old European cut diamond in the centre, with eight-cuts in the shoulders.
Colour – The centre is J, the diamonds in the shoulders are G to H.

Clarity – The centre is SI2. The stones in the shoulders are VS1 to VS2. All the stone are clean to the naked eye.
Carat – The centre is 0.76 carat, with a further approximate 0.03 carat in the shoulders.

Circa – 1930.
Size – M 1/2 (UK) or 6.25 (US). Complimentary sizing is available, can go up or down.
Measurements – The centre is approximately 6mm in diameter and sits 5.6mm from the finger.
Metal – Platinum. Tested.
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