Blue Sapphire is the gemstone of Saturn as per Vedic Astrology. Among all the nine astrological gemstones, Blue Sapphire is the strongest and the fastest acting gemstone. For many individuals it shows effects instantly by way of gain in wealth, resolution to a problem, windfall gain etc. Saturn is a karmic planet and Saturn periods will make or break an individual’s life. The Sade Sathi/ Saturn cycle can be a defining phase in an individual’s life.