Natural Druzy Raw Gemstone Black Agate Adjustable Statement Ring. Gemstone: Agate Druzy. Stone Color: Black/Grey (Every Druzy stone varies in color). ♦ Adjustable ring with colored druzy Stone. ♦ Min Size of the finger: 55. ♦ Max size of the finger:64 Size of the druze: 20mm approx. Caution every stone is unique and can vary in shape, color and dimensions. ****Sold per 1 piece