This sterling mounting is 3/4" at the widest part, slightly smaller than expected. The black obsidian stone is 1/2", also smaller than expected, but still lovely to wear. It is on a 17" silver necklace. It is a quality piece.
Even prettier than the picture! The stones are rich lilac color and the workmanship excellent. A gorgeous piece of jewelry from every point of view. Elegantly packaged, too.