Gatsby Jewellery Ltd has dated this piece to the 1960s.
All three stones are set in white gold coronet collets and lead to a slim and tapering 18k yellow gold shank.

Cut – Cushion cut sapphire and eight-cut diamonds.
Colour – The diamonds are G.
Clarity – The diamonds are SI1
Carat – The sapphire is approximately 0.15 carat, with a total approximate diamonds weight of 0.03 carat.

Circa – 1960.
Size – K 1/2 (UK) or 5 3/8 (US). Complimentary sizing is available, can be sized up or down.
Measurements – From the edge of one outer diamond to the other is 8.85mm. The ring is 4mm at the widest point and sits 4.5mm from the finger.
Metal – Stamped 18CT, indicating 18k white and yellow gold, and tests as such.
Gatsby Jewellery Ltd has dated this piece to the 1960s.
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