Gatsby Jewellery Ltd has dated this piece to the 1950s.
The opal is secured by four double claws and features ten round brilliant cut diamonds and six baguette cut diamonds of graduating size within a beautifully crafted spray cluster, sitting on a slim 18k yellow gold shank.

Accompanied by an independent jewellery report from IGR (#30309058).
Cut – Cushion cut fire opal with round brilliant and baguette cut diamonds.
Colour – The diamonds are F to H.
Clarity – The fire opal is clean to the naked eye. The diamonds are VS2 to SI1.

Carat – The fire opal is approximately 1.45 carat, with approximately 0.62 carat of round diamonds and approximately 0.28 carat of baguettes (approximately 0.90 carat total).
Circa – 1955.
Size – K (UK) 5 1/8 (US). Complimentary sizing is available, can go up or down.
Measurements – The opal is approximately 9.36 x 7.5mm. The head of the ring is 17.5 x 14.3mm and sits 7.4mm from the finger.
Metal – 18k 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