18K Au750 Black Diamond Necklace & Bracelet 3-Piece Set Au750 is 18K gold in Japan. The effects expected from black diamonds include "warding off evil and repelling misfortune." The black color of black diamonds is believed to absorb and neutralize negative energy, protecting the wearer from disasters and bad luck. Furthermore, it is said to lead the wearer to good fortune and success. I want to obtain immense power. I want to be filled with self-confidence. I want to gain the power to conquer everything. I want to eliminate the root causes of life's problems. I want to create something new. I want to achieve my goals. I want to attain enlightenment. 150,000 →