This stunning .925 sterling silver ring boasts a polished rectangular black banded onyx stone apx 3/4" x 3/8" , adding a touch of elegance to any outfit. The large cabochon style of the main stone with its vibrant black color, is a perfect addition to any jewelry collection. The ring is sized 7 with a double band 3/8" wide at the stone base and 3/16" wide at the narrowest point of the band. Made of .925 sterling silver , ensuring its durability and long-lasting beauty.