... gemstone chips,red jasper chips, black agate hand knotted 5 strands gemstone chips necklace GN198 Product Description ... NO.1 necklace is hand knotted by brown nylon cord with mixed gemstone chips, ... 19 inches long. NO.2 necklace is hand knotted by brown nylon cord with red jasper chips, ... 19 inches long. NO.3 necklace is hand knotted by brown nylon cord with black agate chips, ...