- Green Onyx - 14k gold vermeil level plated setting - Sterling silver posts - 14k gold filled ear backs Also available with Amethyst; Rock Crystal; or Blue Chalcedony Green Onyx ($250.00) Amethyst ($250.00) Rock Crystal ($250.00) Blue Chalcedony ($250.00) $250.00 SKU: E2201GO Pagoda Pyramid with Cabochon & Carved Mother of Pearl Earring Pyramid Stud Earrings