A stunning opaque natural (real) black onyx round cabochon has been set in sterling silver with a handmade ring band from sterling silver half dome wire. This ring is chic and edgy but still elegant. It is a larger size circle stone at 20mm. It is a simple ring that makes a statement! Onyx is a type of opaque chalcedony. In ancient Indian and Persian tales Onyx is referred to as a protector from evil. It also protects against negativity towards you the wearer. It is the birthstone for Leos and also the gemstone for the 10th anniversary of marriage.