The Irish Connemara Marble 20mm Oval Adjustable Ring by J.C. Walsh & Sons in Dublin, Ireland is a stunning piece of jewelry featuring a natural green Connemara marble stone in an oval shape. The ring is crafted with silver and has a bezel setting with a shamrock theme, perfect for those who appreciate Irish craftsmanship and heritage. The adjustable size makes it suitable for various ring sizes, and the high-quality materials sourced from Ireland ensure a timeless and unique accessory for any jewelry lover.