Browse our striking range of black onyx rings and uncover the deeper meaning behind this mysterious precious stone. Onyx symbolises the sanctity of harmonious relationships and is said to protect the wearer from evil. As a bold statement stone, onyx is the perfect signet ring adornment and looks even more stunning when set amongst smaller diamonds. Browse our online collection to see how this precious stone can make a bold, masculine statement. Choose from an onyx set amongst the warm hues of a yellow gold band or the crisp aesthetic of sterling silver and find your standout piece today. Signet Rings or Amethyst Rings or Ruby Rings or Aquamarine Rings.