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Designed with heart,
crafted with soul

Who we are & what makes us special

About Us

Metal & Stone Jewellers is a family-run business by husband and wife team, Maurice and Sonya Lorenz. As a couple they are passionate about creating beautiful pieces of jewellery that hold a special story and will last for generations to come. 

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Born in Adelaide, Maurice commenced his apprenticeship in 1981 under the tutelage of his German-born father Manfred Lorenz, Master Jeweller and one of the founding members of the Goldsmith’s Guild of South Australia. Maurice learnt from his father the traditional techniques of Goldsmithing and continues to use these skills today.

Maurice also practises the specialised skill of Optical Diamond Setting. He had the opportunity to refine his skills in Antwerp, Belgium with the guidance of Alexandre Sidorov – renowned world master of Diamond Setting. It was during his time in the diamond capital that Maurice developed his knowledge of and skill in the European standard of stone setting.

Maurice’s pursuit of professional development ensures that he can implement techniques that contribute to the manufacture of quality product. Maurice is also a Full Member of the Gold and Silversmiths Guild of Australia.

It gives Maurice great satisfaction to hear people’s stories and translate those special memories into wearable pieces.


Sonya, originally from Wollongong NSW, has a background in Modern Languages Teaching. Her involvement with jewellery started when she moved to Coober Pedy to commence married life with Maurice.

It was in the opal capital of the world that Sonya developed a passion for our national gemstone and all things jewellery.

Sonya, a gem hunter at heart, loves to source the most beautiful gemstones from around the world. She enjoys expanding her knowledge of gemmology and sharing her expertise in our Strathalbyn atelier.

As a GIA Certified Jewellery Professional, Sonya delights in providing our customers personalised jewellery consultations; helping to realise their vision for beautiful custom-made jewellery.