Blue Sapphire (6.69 Ratti, 6.09 Carat)This blue sapphire, more popularly known as Neelam Ratnam is one of the most powerful stones in the astrological world. This stone has a combination of energies of Saturn and Mars. Who should wear Neelam? Blue sapphire is the best stone to wear when going through Shanis sade saati. It is known to help the most during that time. The owner of signs Capricorn, Libra, Virgo, Gemini, Taurus, and Aquarius can wear Neelam stone. Benefits of Neelam Instant