Gatsby Jewellery Ltd has dated this piece to the 1920s.
The high white and bright old mine cut diamonds either side are in platinum collet and lead, via try-split shoulders, to a slim, yellow gold D-shaped shank.

Accompanied by an independent jewellery report from IGR (#30308148).
Cut – Emerald cut emerald and old mine cut diamonds.
Colour – The diamonds are F to G.
Clarity – The diamonds are SI2; they are clean to the naked eye.

Carat – The emerald is approximately 0.67 with a further approximately 0.90 carat of diamonds.
Circa – 1920.
Size – O (UK) or 7 (US). Complimentary sizing is available, can be sized up or down.
Measurements – From the outer edge of one diamond to the other is 14mm. The ring is 6.5mm at the widest point and sits 4mm from the finger.

Metal – Stamped 18CT & PLAT – 18k yellow gold and platinum – and tests as such.
Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/349698796
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