Amethyst Tiara – Best Amethyst Diamond Tiara Crown – costozon Amethyst Tiara: Find great deals for 925 Sterling Silver Amethyst Princess Tiara, Amethyst and Diamond Tiara, 14kt Gold Amethyst Tiara Crown.  Amethyst Crown: Are you looking for Amethyst Diamond Tiara Crown, costozon have thousands of handmade, vintage, and antique Amethyst Diamond tiaras and crowns. Free Shipping