Gatsby Jewellery Ltd has dated this piece to the 1920s.

Accompanied by an independent jewellery report by IGR (#30309832).
Cut – Old European cuts.
Colour – K in the centre and G to I in the shoulders.
Clarity – The centre stone is SI1. The outer stones are VS2.

Carat – Approximately 0.75 carat in the centre with approximately 0.81 carat in the sides.
Circa – 1925.
Size – J (UK) or 4 5/8 (US). Complimentary sizing is available, can be sized up or down.
Measurements – From the edge of one outer diamond to the other is 16.9mm. The ring is 6.8mm at the widest point and sits 5.2mm from the finger.
Metal – Platinum. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1920s.
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