Sterling silver is defined as being at least 92.5% silver. Silver used in ALUEH jewels comes from Peru, one of the top silver producers in the world. Peruvian silver is always sterling, as it is not only 925 but in many cases, it it 95% pure silver. This is called 950 silver.
Peruvian artisans inherit the techniques from their ancestors, most of them come from families that have been making it for generations.