The ring is made of sterling silver and is 8 millimeters wide. The ring is a finger size 7 1/4. John Kennedy the maker of the ring would be the one to size the ring or make a new one if need be. There is no additional charge to size the ring. The ring has carnelian cylette bars the go across the top of the ring.These stones allow light to directly pass through the stone and reveals the natural colors of the gemstone. The ring weighs 4.9 grams. I will provide a ring box.