Gatsby Jewellery Ltd has dated this piece to the 1920s.
Just the most delightful ring.

Cut - Old mine cut diamonds and round cut sapphires.
Colour - G diamonds.
Clarity - All stones are clean and clear to the unaided eye: between VS to SI1.
Carat - Total estimated carat weights are 0.65 for the diamonds and 0.50 for the sapphires.

Circa - 1915.
Condition - Excellent.
Size - Currently N (UK) or 6 1/2 (US). Complementary sizing is available, can be sized up or down.
Measurements - The head of the ring measures 19.9mm by 5mm and sits 4mm from the finger.
Metal - 18k gold and platinum. Internal stamps.
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