Gatsby Jewellery Ltd has dated this piece to the 1920s.
The hand-pierced coronet collet conforms to a wide and flat 18k rose gold shank.

Accompanied by an independent jewellery report by IGR (#30309701).
Cut – Round cut sapphire and old mine cut diamonds.
Colour – The diamond are E to F.
Clarity – The diamonds are VS2 to SI1.
Carat – The sapphire is approximately 0.43 carat with a total approximate diamond weight of 0.80 carat.

Circa – 1925.
Size – O (UK) or 7 (US). Complimentary sizing is available, can go up or down.
Measurements – The head of the ring is approximately 11.1 x 11mm and sits 6mm from the finger.
Metal – 18k rose gold. The diamonds are set in platinum. Tested.
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