Yellow Sapphire stands nine to the hardness scale holding the 3rd place right after Diamond and Moissanite. In case the gemstone is more than one carat then it may't have easy edges. Notice: Undefined variable: GemstoneImagesCount in /household/jawharat/domains/heerejawharat.com/public_html/inc/displaygemstones.php on line one hundred forty Beware glass-crammed Ceylon Yellow Sapphires... https://www.apsense.com/article/810029-some-historical-facts-about-sri-lankan-yellow-sapp.html