Yellow Sapphire stands 9 around the hardness scale Keeping the 3rd position just after Diamond and Moissanite. If your gemstone is more than one carat then it can't have sleek edges. The White Sapphire is an opulent gemstone that catches the light in all its glory. This gemstone also is https://mediasocially.com/story3303048/indicators-on-natural-yellow-sapphire-from-sri-lanka-you-should-know