Gatsby Jewellery Ltd has dated this piece to the 1930s.
The stone is secured in an eight claw platinum collet with subtle (i.e. not twee) heart motifs in the gallery. On a slim and tapering platinum shank set with eight (four each side) eight-cuts in the shoulders.

Accompanied by a GIA Natural Diamond Grading Report.
Cut: Old European cut (eight-cuts in the shoulders).
Colour: I (G to H in the shoulders).
Clarity: VS1 (VS1 to VS2 in the shoulders).
Carat: The diamond in the centre is 1.53 carat, with a further approximate 0.07 carat in the centre.

Circa: 1930.
Size: L (UK) or 5 1/2 (US). Free sizing available.
Measurements: The diamond is 7.08 x 7.18mm and sits 6.4mm from the finger.
Weight: 3.03 grams.
Metal: Stamped PLAT - indicating platinum - and tested with a Niton DXL Precious Metal Analyzer to confirm.

Video: To view videos of this ring recorded in daylight, please either contact us or copy / paste the following link into your browser:https://gatsbyjewellery.co.uk/products/art-deco-1-53-carat-old-cut-diamond-engagement-ring-circa-1930
Item # 213713S442
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