Sterling Silver Pear Shape Black Diamond Pendant Necklace Light, stylish and easy to wear every day. This necklace features a prong setting it is Crafted in rich 925 sterling silver.This necklace contains 12*8 MM mainstone black Diamond. It has 2.5 GRM Approx weight, 8.02 MM Approx width and 18.95 MM Approx length. Black diamonds are said to bring mental clarity and improve concentration, aiding in achieving one's full potential. The gem is associated with the root chakra which is linked to security, stability, and a connection to the Earth.