Gent's Yellow 14 Karat Star Of Alaska Ring - Gents With 0.09Tw Round Diamonds And Natural Gold Nuggets. Star of Alaska is a natural mineral that was mined in Alaska between 1906 and 1938 at the Kennecott Mine. Reminiscent of the brilliant silver stars against the dark cobalt-blue Alaskan sky, this stone is a wonder to behold. Very limited supply-so don't wait!