18K yellow gold Megaladon sharks tooth and diamond pendant. The tooth comes from the extinct species of giant mackerel shark. The tooth has been polished to give it a shiney, finished look. Surrounded by a halo of 80 round full-cut, natural diamonds. The diamonds continue onto the bail, nine in total. The overall carat weight is 0.65ctw., I-color, SI2-I1-clarity. The diamonds are set using shared prongs. 12.3 grams.