Gatsby Jewellery Ltd has dated this piece to the 1960s.
The stone is secured in a four claw platinum collet which sits on a sturdy knife-edge platinum shank. An impressive, standout ring.

Accompanied by a sapphire report from Gemmological Certification Services (GCS) stating the sapphire shows no indication of heating, and is Sri Lankan (Ceylon) in origin.
Cut – Cushion cut.
Carat – 4.46.
Circa – 1960.
Size – M (UK) or 6 (US). Complimentary sizing is available, can go up or down.
Measurements – The sapphire is 10.3 x 8.3mm and sits 6.6mm from the finger.
Metal – Platinum. Tested.
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