These beautiful half moon fire opal studs are such a stunner. Available in snow white and azul blue man-made opal with sterling silver and vermeil gold setting. Half moon measures 3/8 of an inch in diameter. Studs are attached to a sterling silver or vermeil Gold post with a butterfly backing. Ships attached to genuine brown leather. Looks amazing mixed with any of Mana's magical fire opal studs. Designed in Austin, TX by Mana Culture.