Ebony, wood dense enough to sink in water, has been prized throughout human civilization for its beauty and its suitability for ornament. An honorary gem in the ranks of jade and ivory, ebony carvings are some of the most beautiful and precious artifacts of human history. We’ve distilled that history down into this ring: A single stamp of ebony, polished pure and shining, set into a yellow gold band. It’s a signal of your gravitas, your connection to the human condition, and your willingness to tackle the great challenges, both in life and in society.