Yellow Sapphire stands 9 about the hardness scale holding the 3rd position after Diamond and Moissanite. If the gemstone is multiple carat then it could't have sleek edges. Usually misunderstood for being The form on the gemstone, Reduce typically refers back to the sides to the surface area with the https://www.apsense.com/article/810029-some-historical-facts-about-sri-lankan-yellow-sapp.html