Sapphire
Sapphire is a precious gemstone belonging to the mineral corundum, known for its exceptional hardness and brilliant appearance. Although most famous for its deep blue color, sapphires can occur in many colors such as pink, yellow, green, and purple.
They have been treasured for centuries and are often associated with wisdom, loyalty, and nobility.
The gemstone is also the birthstone for September and has historically been worn by royalty and used in engagement rings.