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For over 45 yeas Opal Diamond Factory has been Adelaide’s oldest and largest opal diamond specialists. Established in 1974 by Australian opal pioneer John Ryneš, we are a second-generation family-owned manufacturing jeweller and opal cutter.

With the relationships John Rynes and son Mike Saj-Ryneš have formed with miners over the years we are able to first source the rough opal then cut them into individual stones. We then careful handcraft the ring and set the stones one by one.

Specialising in diamonds and all types of Australian opal, including white, crystal, boulder, and the world-famous black opal.

Whether it be a gorgeous gift to a special someone or a well-deserved treat for yourself, these beautiful and popular designs sure will be a much-loved addition to your every day.

Love the style, but desire a different colour? Send us a message to discover the potential for a custom creation.

All our pieces come with a certificate of authenticity.

If you require a different ring size please email us at factory@opaldiamondfactory.com.au