Yellow Sapphire stands 9 about the hardness scale holding the 3rd placement just after Diamond and Moissanite. Should the gemstone is more than one carat then it may't have easy edges. Recognize: Undefined variable: GemstoneImagesCount in /residence/jawharat/domains/heerejawharat.com/public_html/inc/displaygemstones.php on line one hundred forty See: Undefined variable: GemstoneImages... https://worldlistpro.com/story19760935/natural-yellow-sapphire-from-sri-lanka-an-overview