We only work yellow gold in 18 carats or 18K or 750/1000 ° gold, composed of 75% pure gold, 12.5% ​​silver and 12.5% ​​copper, in order to obtain the best color / mechanical property compromise. Goralska continously and closely ensures the quality of the sourcing of the raw materials used in its creations. The hallmark confirms the 18 carats gold is an eagle’s head.