Beautiful stone. Beautiful silver work (even the back is detailed). It looks like three rings in a stack, but it's all connected (so everything is always aligned correctly). Good advice about ordering one size larger than usual.
I originally purchased a ring in this same design with a blue topaz stone for a special occasion. Loved it so much I bought another one of the same design with an amethyst for every day wear. Love the weight, quality and design of both.