It was listed by Gatsby Jewellery Ltd. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Gatsby Jewellery Ltd has dated this piece to the 1920s.

Accompanied by an independent jewellery report from IGR (#30308550).
Cut – Old mine cuts.
Colour – The centre diamond is K. The sides stones are H to I.
Clarity – The centre is SI1. The side diamonds are VS2.

Carat – The centre is a known 1.48 carat. The diamonds either side are 1.02 carat and 1.04 carat respectively.
Circa – 1920.
Size – N (UK) or 6.5 (US). Complimentary sizing is available, can be sized up or down.

Measurements – From the outer edge of one diamond to the other is 18.2mm. The ring is 7.7mm at the widest point and sits 5.7mm from the finger.
Metal – Platinum. Tested.
Video – To view a vide of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/399899306
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