Fancy yellow diamonds are a rare and highly prized type of diamond that are prized for their vibrant yellow color and rarity. These diamonds are graded on a scale from faint to fancy vivid, with the more intense the yellow color, the higher the value of the fancy yellow diamond. They are often used in high-end jewelry and are considered a symbol of love and commitment. Famous fancy yellow diamonds include the Canary Diamond, the Tiffany Yellow Diamond, and the Yellow Emperor.