Gatsby Jewellery Ltd has dated this piece to the 1950s.
This stone, weighing approximate 1.33 carat, is rubover set in milgrained white gold and sits within a surround of ten rose cut diamonds and four trapezoid cut blue sapphires at each corner. Crafted in 18k white gold.

Accompanied by a diamond grading report from IGR.
Cut:? The paradparadscha sapphire is a long cushion, with trapezoid step cut blue sapphires and rose cut diamonds.
Colour:? The diamonds range from J to L.

Clarity:? The padparadscha sapphire is eye clean, as are the blue sapphires. The diamonds range from SI1 to SI2.
Carat:? The padparadscha sapphire is approximately 1.33 carat. The total approximate weight of the blue sapphires is 0.12 and approximately 0.15 carat of diamonds.
Circa:? 1955.
Size:? J (UK) or 4 5/8 (US). Free sizing available.
Measurements:? The head of the ring is 12.6 x 9.6mm and sits 3.4mm from the finger.
Weight:? 1.93 grams.
Metal:? 18k white gold. Tested.
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