April's birthstone is Diamond. Diamond is the hardest mineral and is highly valued around the world for its beautiful brilliance and durability.

Diamonds are gemstones with a carbon crystal structure and are usually colorless and transparent. However, other rare colored diamonds also exist in shades of pink, blue, yellow, and green.

Diamonds are widely recognized as symbols of love and eternity. They are popular as wedding rings, special gifts, and symbols of special anniversaries and celebrations.

The quality of a diamond is evaluated by elements called the four C's. They are Color, Clarity, Cut, and Carat. These factors determine the value and quality of a diamond.