Sterling Silver Multi-Color Jade, Onyx and Diamond Accent Earrings and Pendant Jewelry Set, 18" Necklace: 18"L;Pendant: 0.82"L 0.56" W; Earring: 0.53"L x 0.53" W Jade is commonly treated and impregnated with polymers to enhance its color and improve its stability. All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free. Imported