TOUS Magic Nature ring in silver vermeil with 12 mm moonstone and 2.5 x 1.7 mm labradorite, iolite, prehnite, amethyst, orange sapphire and treated ruby. Circle: 18.65 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.