ComputerGear Math Jewelry Earrings Golden Mean Ratio Equation Geek Nerd STEM Look beautiful and smart with ComputerGear Golden Mean Earrings; Fun math geek jewelry makes a great STEM gift Women in the know recognize that these Golden Mean Earrings exemplify the beauty and symmetry of the golden rectangle The golden mean has been used throughout history to explain the natural symmetry in mathematics 1" long; Electrostatically gold-plated Smart earrings are a ComputerGear exclusive You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it! All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.