Metal- German Silver, This is not pure Silver. This is silver Plated Open Cuff, Adjustable Original Natural Gemstone, Lapis Lazuli. The gemstones can have some dissimilarities, but they are all natural and they are all hand carved. This lapis lazuli is very high grade and in few stones you can even see the gold spots. Dimension and Weight as shown in the images. Oxidized Design, Made to look antique and little black. High quality craftsmanship, there are no sharp edges which can hurt the skin. These are entirely handmade pieces so pls appreciate the dissimilarities and if there is any it is the USP of the piece. These are all unique pieces and no two pieces are identical. The images shown are shown of the actual piece but these may vary due to photography or the setting of the monitor screen. Lapis Lazuli assists to confront and speak one's truth and inspires confidence. It bonds relationships, aiding in expression of feelings and emotions.