The July birthstone Ruby is governed by the celestial planet Sun. The zodiac signs that are advised to wear Rube are Cancer and Leo. Aries, Sagittarius, and Scorpio are additional zodiacs that can wear Ruby. The natural element that influences Ruby is the Earth. If someone has a weak or wrong placement of dangerous planets like North or South Lunar Modes and Saturn set with the planet Sun, it is recommended that they wear a Ruby. If anything is similar in your birth chart or horoscope, you can opt for Ruby.