Yellow sapphires which are enhanced as a result of lower-stage radiation reduce their shade as time passes and fade absent on account of heat and publicity. White sapphires are valued for his or her brilliance, clarity, and sturdiness. Although They could not have the vivid colour of other sapphire versions, https://www.apsense.com/article/810029-some-historical-facts-about-sri-lankan-yellow-sapp.html