Unique Opal And Diamond Mine - The Underground Opal Mine

Largest collection best prices on opal in Australia.

Visit shop 5 Rundle mall Adelaide and take a free tour into the Underground Opal Mine in the heart of the Adelaide city centre. Our mine has genuine solid black crystal and boulder opal embedded into the wall.

We run daily opal cutting demonstrations and jewellery making in store and viewing is available all day.

You can deal direct with no middle-man trading. We offer the best prices and Adelaides largest range of opals, diamonds and pearls. 

Rough opal is available as well as cut and polished and jewellery, all  made on site. 

We are able to create and make a unique piece of opal jewellery for you within two hours.