Unleash your individuality with this bold, mysterious, and unforgettable coffin-cut black onyx diamond ring set. Designed for those who dare to be different, this statement piece embodies both elegance and edge, offering a timeless look that defies convention. At the heart of this ring set lies a striking 1.6-carat black onyx center stone, beautifully framed by delicate natural crystals. The coffin-cut shape exudes a gothic charm, making it the perfect choice for an engagement ring, a…