All the jewelry in our catalogue is made of 18 kt (au 750%) yellow gold. We can make on commission every kind of carats (8kt, 9kt, 10kt, 14kt, 18kt, 22kt, 24kt) and use every kind of gold (white, rose, bicolor,…). Francesco Strass combines with care classic and advanced techniques, such as electroforming, in the production of modern jewelry to be in line with market trends.