It's important to authenticate and validate the technical specs on the gemstone you are looking to purchase. In the case of Ceylon Yellow Sapphires, be mindful about selecting irradiated gemstones only. Beautiful bit of jewelry- nicely produced. Not much too flashy for daytime wear but fine for night too. This https://bookmarkingfeed.com/story18037128/a-simple-key-for-natural-yellow-sapphire-from-sri-lanka-unveiled