This sterling and malachite ring has a bit of grandeur about it. The design is simple but the size is impressive. The workmanship is excellent. This is a Native American design. It is not marked in any way but tests positive for sterling silver. It is a substantial ring with an exceptionally beautiful piece of malachite. Ring is size 10 3/4 and measures 5/8" front to back at the center front. It is in excellent condition.