Cleans diamonds. Just twist, brush & dazzle. Cleans quickly, safely & effortlessly. Makes diamond rings sparkle. Good Housekeeping. Cleans quickly, safely and effortlessly with micro-fine cleansers and special polymers to make your diamond sparkle like new. Also excellent for precious stones, platinum, and gold settings. Not for use on pearls. Made in USA of domestic and imported materials. Color: yellow. Gender: unisex. Age Group: adult.