Diamond (gemstone) Diamond (gemstone) A diamond (from the "adámas", meaning "unbreakable", "proper", or "unalterable") is one of the best-known and most sought-after gemstones. Diamonds have been used as decorative items since ancient times; some of the earliest references can be traced to 25,000 - 30,000 B.C. The hardness of diamond and its high dispersion of light—giving the diamond its characteristic "fire"—make it useful for industrial applications and desirable as jewelry. Diamonds are such a highly traded commodity that multiple organizations have been created for grading and certifying them based on the "four Cs", which are color, cut, clarity, and carat. Other characteristics,
Grammy Award for Best Male Rock Vocal Performance Originally called the Grammy Award for Best Rock Vocal Performance, Male, the award was first presented to Bob Dylan in 1980. Beginning with the 1995 ceremony, the name of the award was changed to Best Male Rock Vocal Performance. However, in 1988, 1992, 1994, and since 2005, this category was combined with the Grammy Award for Best Female Rock Vocal Performance and presented in a genderless category known as Best Rock Vocal Performance, Solo. The solo category was later renamed to Best Solo Rock Vocal Performance beginning in 2005. This fusion has been criticized, especially when females are not nominated