A stunning green peridot stacking ring made from solid 9ct yellow gold. Choose to wear the ring on its own, or mix and match it with other stacking rings from the Nebula collection, or why not add a sparkling Andromeda diamond ring?Peridot is a beautiful juicy green gemstone and the birthstone of August. It is one of only a few stones to come in only one colour, a lovely olive green and is said to bring a wonderful year to whoever wears it. It's warm glowing colour is a reminder of summer…