Pink Sapphire (Gulabi Pukhraj) 4.18 Carat (4.58 Ratti) Buy Original and Certified Pink Sapphire (Gulabi Pukhraj Rashi Ratna). This Sapphire can be certified with Govt. Lab Certificate (IGI-GTL), and its photos and certificates are available online.? For best astrological benefits stones is 100% natural. The value of stones is good considering their properties and effects.