Yellow Sapphire (Pukhraj) is a yellow colored precious gemstone. It is especially known for its innumerable astrological benefits it bestows upon its wearer, which includes professional success Who Should Wear An Astrological Yellow Sapphire Gemstone? Yellow Sapphire is the birthstone for Sagittarius sunsign (22 Nov – 21 Dec). In Indian astrology, Pukhraj gemstone is the rashi ratna for Sagittarius and Pisces. Yellow Sapphire stone strengthens Jupiter (Brihaspati) and brings its wearer wealth, wisdom, spirituality and health. Ascendants of Aries, Cancer, Leo and Scorpio can also wear a Yellow Sapphire.