Yellow Sapphire from Ceylon are considered as ideal astrological Pukhraj and therefore are generally devoid of any type of procedure and heating. Certification: The existence of a reputable gemological certification from a respected and recognized gem laboratory adds credibility and assurance to the standard of yellow sapphire or almost every https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share