Our top quality German Carat stamps have been used worldwide for many years.

Distinguishable by blue coating.

Find a range of precision-made stamps for marking precious-metal items with carat and purity values such as 18 ct, 14 ct, 925 and 750. These stamps deliver clean, defined impressions and are built for reliable workshop use.

For marking inside rings, bent stamps are essential — their curved profile allows you to reach and strike the inner band cleanly without distorting the metal. Straight stamps are ideal for pendants, bangles, bars and flat surfaces.

Browse the selection below and choose the style, size and character set that best suits your marking needs.