Crafted at a workshop for 100,000 work points plus 50 marble, 50 hard shell, 50 jade, 1 white orb, a carving knife and a chisel, or by a level-175 jeweler from 10 white orbs, 1 hardened sand-gold stone, 50 black-iron ingots and 10 polishing powders for 20,000,000 nyang. Also given as a reward from the Divine Beast Quest (part 23) and the Tower of Pao (Choi Pil, part 2).