Gatsby Jewellery Ltd has dated this piece to the 1950s.

Accompanied by an independent jewellery report from WGI.
Cut: Pear cut sapphire and tapered baguette cut diamonds.
Colour: The sapphire is a deep royal blue. The diamonds are G and I.
Clarity: The sapphire has some visible inclusion. The diamonds are VS1 and VS2.

Carat: The sapphire is approximately 2.30 carat. Each diamond is approximately 0.20 carat.
Circa: 1955.
Size: M (UK) or 6 (US). Free sizing available. The internal sizing adjuster will be removed if you require this ring to be sized.
Measurements: The sapphire is 10.34 x 6.73mm and sits 6.5mm from the finger.
Weight: 3.91 grams.
Metal: Platinum. French hallmarks.
Gatsby Jewellery Ltd has dated this piece to the 1950s.
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