This magnificent cuff bracelet is sterling silver with a huge onyx center. The band has an open center and a huge centerpiece that is set with a black onyx. Bracelet measures about 6 3/4" around including the opening. The center front is 2" top to bottom and just under 1 1/2" wide. This is a modernist design, always stylish. Bracelet weighs in at about 60 grams and is marked Sterling and Morningstar. It is in excellent condition with some old patina which can easily be polished away.