Beautifully designed, this shungite ring will add a touch of style and color to your appearance. Shungite is a 100% natural gemstone that ranges in color from a perfect matte black to a gleaming gunmetal finish. Laced with Russian diopside rounds to add colors, this ring features oval shaped shungite in 4-prongs setting, exuding deep black hues. Set in 925 sterling silver with platinum plating, this ring comes with finished under gallery for comfortable wearing. Lead and Nickel Free. Hypoallergenic metal to reduce the possibility of rash, skin irritation or other problems.