... brass are available.2 MOQ: 100pcs per item.3 Plating: 18k gold plating and nickel free. Or silver plating, rhodium plating, ... color: can be citrine, agate, amethyst, peridot, chrome diopside, blue topaz or any other colors what you like.5 OEM ... necklaces, cufflinks, have Cz stones, semi-precious stones, opal, jade, diamond, gemstone, fresh water pearls, shell, crystal, glass, onyx, turquoise and ...