It was listed by Gatsby Jewellery Ltd. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Gatsby Jewellery Ltd has dated this piece to the 1930s.
The solitaire is rubover set, with a second circle of platinum "floating" around it, with gorgeous detailing in the gallery. Marvellously unfussy and full of class.

French hallmarks.
Cut - Old European cut.
Colour - I; high white.
Clarity - VS.
Carat - 1.65.
Condition - Excellent.
Circa - 1930.
Size - Currently N 1/2 (UK) or 6 3/4 (US). Complementary sizing is available, can go up or down.
Measurements - Setting is 10.9mm in diameter and sits 5.9mm from the finger.
Metal - Platinum. French hallmarks
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