Gatsby Jewellery Ltd has dated this piece to the 1920s.
The wonderful surround features 28 further diamonds in a geometrically shaped and vented surround, leading to a slim D-shaped platinum mount. Utterly exceptional.

Accompanied by a diamond grading report from HRD Antwerp (#190000156846).
Cut – Old mine cut in the centre, with old mine cut and eight-cut diamond in the surround.
Colour – I in the centre. H to J in the surround.

Clarity – SI2 in the centre. The surrounding diamonds are VS2 to SI2; all are clean to the naked eye.
Carat – A known 1.33 carat in the centre with a further approximate 0.78 carat in the surround.
Circa – 1925.

Measurements – The diamond is 6.44 x 5.81mm. The ring is 12.2mm at the widest point and sits 7.5mm from the finger.
Size – M (UK) or 6 (US). Complimentary sizing is available, can go up or down.
Metal – Platinum. French hallmarks.
Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/432870081
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