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Opal and diamond halo ring

Opal is by far the most unique gemstone in the world, with no two ever the same, and here is a very elegant Art Deco opal and diamond halo ring from the 1930's.

Hand made in 18 carat yellow gold, in the centre sits a solid black crystal opal that measures 0.65 carats and displays a lovely rolling colour from blue and green with charming flashes of red. Being oval in shape accentuates the finger and design of the ring beautifully, then it is surrounded by sixteen single cut diamonds to add the perfect amount of sparkle to the ring.
These diamonds total 0.16 carats, and the top of the ring measures 9.6mm across by 13.5mm and sits so well on the finger.

This ring is nearly 100 years old, and still looks as beautiful and elegant today as when it was made thanks to the traditional cluster design that has never gone out of fashion or style.


Stock# EC175

Circa: 1930



Opal and diamond halo ring

Opal and diamond halo ring hand made in 18 carat gold in the 1930's.

Where do the best opals in the world come from?

Australia. Australia produces approximately 90% of the world's opals, and is also regarded as home to the best opals in the world. Australia is home to white opals, boulder opals, and the best of the best  - the Australian Lightning Ridge black opal.

Where can I buy opals in Sydney?

At Kalmar Antiques in the Queen Victoria Building.

Click here to see more antique rings that are currently in store:


Click here to see more antique Australian jewellery that is currently for sale:


Click here for a link to the beautiful and historic Queen Victoria Building. We are on the top floor and are the only antique jewellery store in the building:



Kalmar Antiques 2022 - 2023 Annual Catalogue

Fine Antique and Modern Jewellery, watches and Objets d’Art at the Queen Victoria Building in the Heart of Sydney city.

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Shop 23, Level 2, Queen Victoria Building, George Street, Sydney 
NSW, Australia.

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