The ring is made with solid 925 sterling silver in a polished finish, plated with white rhodium to strengthen the surface and prevent tarnishing.
White rhodium plating
Dimensions:
Size 48 - 56 : ( top 15 x 15 mm ), ( band width 7 mm )
Size 58 - 66 : ( top 16.5 x 16.5 mm ), ( band width 7 mm )
Black Onyx is a natural stone with variations in color and pattern.