A gemstone is a precious or semi-precious stone that is cut and polished to be used in jewelry or as a decorative item. These stones are often valued for their beauty, rarity, and durability. Common examples of gemstones include diamonds, rubies, and sapphires. Each gemstone has unique characteristics, such as color, clarity, and hardness, which contribute to its overall value. Gemstones have been cherished by cultures around the world for centuries. They are often associated with various meanings and symbolism, such as emeralds representing love and rebirth. Many people also believe that certain gemstones can bring good luck or healing properties, making them popular choices for personal adornment and gifts.