Sapphire - The king of corundum gems, The Party (Bi Color Sapphire) sapphire also is the family name of a gem variety that has two different Colors. Although sapphires can come in a wide range of colors, Bi Color sapphires are Extremely rare due to extraordinary characteristics. Natural Party sapphires from pristine sources like Sri Lanka are stupendously rare and beautiful, so much so that usually top-tier gem collectors and museums are the ones after them. Natural Party sapphires are only available with a select few gemologists such as Hussain and Son’s and cost around five times the price of a fixed-colored natural sapphire of the same size. These are rare and should not be mistaken for regular sapphires, Bi Color Sapphires that manifest two distinct colors as a result of color zoning.