Gatsby Jewellery Ltd has dated this piece to the 1930s.
The stone is secured by four split claws with triangular detailing in the gallery. The simple platinum shank features ridged detailing at the shoulders.

Accompanied a diamond grading report from HRD Antwerp (#190000156885).
Cut – Old European cut.
Colour – F.
Clarity – VVS2.
Carat – 0.80.
Circa – 1930.
Measurements – The diamond is 5.65 x 5.73mm. Sits 6.2mm from the finger.
Size – M (UK) or 6 (US). Complimentary sizing is available, can go up or down.
Metal – Platinum. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1930s.
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