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 1930s.
The diamond is secured in a four claw collet with talon claws, leading to step-down shoulders set with six (three each side) eight-cut diamonds to a nicely chunky platinum shank. An absolute treasure of a ring.

Accompanied by a diamond grading report from GIA (#5326309660)
Cut – Old mine cut with eight-cuts in the shoulders.
Colour – F in the centre. F to G in the sides.
Clarity – SI1 in the centre. The diamonds in the shoulders are SI1 to SI2.

Carat – 1.70 in the centre, with an additional estimated 0.24 carat in the shoulders.
Circa – 1935.
Size – M (UK) or 6 (US). Complimentary sizing is available, can go up or down.
Measurements – The centre stone is 7.05 x 6.84mm and sits .6.8mm from the finger.
Metal – Platinum. French hallmarks.
Video – To view a video of this ring recored in daylight, please copy / paste the following link into your browser: https://vimeo.com/343828672
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