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Material & Manufacturing


The entire fejn collection is made from high-quality recycled precious metals. Read more about this in our sustainability report here .

The diamonds in our jewelry are grown in a laboratory and therefore do not pose the environmental and human rights risks of natural mining. Read more about lab-grown diamonds here .

Of course, all metals used are nickel, lead and cadmium-free in accordance with EU guidelines and are therefore allergy-friendly.

You can find the exact material composition in the product description of your selected piece of jewelry.


All collection pieces are designed in Cologne, and some are also manufactured here.

fejn jewelry also works with selected local manufacturers in Thailand - a country known for its long tradition in the production of silver jewelry. We are very pleased to be able to support our close partners here and bring them closer to sustainability.

We regularly check our production partners for responsible ethical, human rights, social and ecological business practices. You can read more about this in our sustainability report here .


We only use plastic-free, environmentally friendly packaging materials for shipping. In this way, we prevent plastic waste and support a sustainable lifestyle here too. Only the foam inlays of our jewelry boxes contain a small amount of plastic - but this can also be recycled.

In addition, if you want to buy more than one piece of jewelry, you have the opportunity to save as much packaging as possible with our 'Zero Waste' option!