Really tough product, finest for gem protection (prongs tend not to bend or break very easily) May be high priced Ans.As white pukhraj stones are a particular selection of yellow sapphires, they may be priced in another way. It is important to notice that prices can differ dependant on rarity, https://www.apsense.com/article/810029-some-historical-facts-about-sri-lankan-yellow-sapp.html