Yellow Sapphire stands nine about the hardness scale holding the third posture right after Diamond and Moissanite. When the gemstone is multiple carat then it may't have sleek edges. Ans.As white pukhraj stones are a particular variety of yellow sapphires, they may be priced in different ways. It is vital https://www.apsense.com/article/810029-some-historical-facts-about-sri-lankan-yellow-sapp.html