Yellow Sapphire from Ceylon are regarded as ideal astrological Pukhraj and so are commonly devoid of any sort of treatment method and heating. Pretty bit of jewellery- properly created. Not much too flashy for daytime wear but good for night as well. This is among several items I've bought from https://gatherbookmarks.com/story18745387/the-best-side-of-sri-lankan-yellow-sapphire