What does “Au 750” mean on the back of my Penta Power Jewel Pendant and on the closing wing of the Penta Power Jewel Earrings?

The symbol ‘Au’ stands for the chemical element gold and means that your Pendant or Earrings are made of gold. .

The statement “750” stands for 18 karat gold and is made up of 75% (or 750 parts out of 1000) gold and 25% other precious metals – depending on the color of the gold Pure gold (or 24 karat gold) is in fact far too soft to make jewelry or other utensils from. For this reason, other precious metals are always added to make the jewel stronger.

Jewel Pendant Yellow Gold Back Square Au 750 18 carat