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.
The stone is secured in a six claw collet with six (three each side) baguette cut diamonds set long-ways in a step down formation, which leads to a slim D-shaped platinum shank. Pure magnificence.

Accompanied by a diamond report from IGI (#296724883).
Cut – Old mine cut, with baguette cuts in the shoulders.
Colour – H (H to I in the shoulders).
Clarity – VS1 (VS1 to VS2 in the shoulders).
Carat – 1.57 carat in the centre, with an approximate 0.54 carat in the shoulders.

Circa – 1920.
Size – J (UK) or 4 5/8 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The diamond is 6.59 x 6.15mm and sits 7.2mm from the finger.
Metal – Platinum. Tested.

Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/458941114
https://www.gatsbyjewellery.co.uk/product/art-deco-1-57-carat-old-mine-cut-diamond-engagement-ring-circa-1920/
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