Gatsby Jewellery Ltd has dated this piece to the 1940s.
The stone 'floats' within a surround of 16 eight-cut diamonds. Fine geometric detailing in the gallery leads to a slim and flat 18k white gold shank.

Accompanied by a sapphire report from Gemmological Certification Services (GCS) stating the sapphire shows no indication of heating.
Cut:? Emerald cut sapphire and eight-cut diamonds.
Colour:? The diamonds are F to G.

Clarity:? The sapphire is loupe clean. The diamonds range from VS1 to VS2.
Carat:? The sapphire is a known 2.20 carat. With a total approximate diamond weight of 0.48 carat.
Circa:? 1940.
Size:? Q (UK) or 8 (US). Free sizing available.

Measurements:? The sapphire is 8.00 x 6.09mm. The head of the ring is 13.7 x 11.25mm and sits 5mm from the finger.
Weight:? 2.43 grams.
Metal:? 18k white gold and platinum. French hallmarks.
Item # 213413S134
Gatsby Jewellery Ltd has dated this piece 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