TOUS Straight Color hoop earrings in silver vermeil with spinel, peridot, iolite, blue topaz, amethyst, treated ruby, orange sapphire, chrome diopside, cultured freshwater pearl and turquoise. Push back. Ø12 mm. Sterling silver plated with 18kt gold with a thickness of 3 to 5 microns and with no other metal between them. Production technique: Casting.