Gatsby Jewellery Ltd has dated this 1940s Diamond Solitaire Ring to the 1940s.
The stone is secured in an eight claw platinum coronet collet which sits on a slim, dramatically tapering knife edge shank with double notch detailing at the shoulders.

Accompanied by a Diamond Report from IGI.
Cut: Old European cut.
Colour: G.
Clarity: SI1.
Carat: 1.02.
Circa: 1940.
Size: M 1/2 (UK) or 6 1/4 (US). Free sizing available.
Measurements: The diamond is 6.27 x 6.39mm, and sits 5.8mm from the finger.

Weight: 3.32 grams.
Metal: 18k yellow gold and platinum. Tested with a Niton DXL Precious Metal Analyzer.
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/vintage-1-02-carat-old-cut-diamond-engagement-ring-circa-1940
Gatsby Jewellery Ltd has dated this 1940s Diamond Solitaire Ring to the 1940s.
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