Gatsby Jewellery Ltd has dated this piece to the 1960s.
18k gold with French hallmarks.

Accompanied by an independent jewellery report from IGR (#30310469).
Cut – Marquise mixed cut fire opals and round brilliant cut diamonds.
Colour – The diamonds are E to F.
Clarity – Opal are loupe clean. The diamonds are VS1 to VS2.

Carat – The fire opals are approximately 5.40 carat in total. The total approximate diamond weight is 0.50 carat.
Circa – 1965.
Measurements – From the top of the top diamond to the bottom of the opal is approximately 35.5mm
Weight – 4.50 grams total.
Metal – 18k gold. French hallmarks.
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