18ct Yellow Gold Turquoise Medium Oval Signet Ring. R189. This classic signet style ring features a stunning hand carved Turquoise stone, sourced directly from the famous Kingman Mine, Arizona. The gemstone is set within a solid band of 18ct yellow gold. The finished piece is smooth and highly polished.  All our Turquoise jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform natural Turquoise into these stunning pieces of jewellery. You can find other matching Turquoise jewellery on our website and in our stores. This item will arrive lovingly and securely dispatched in our elegant jewellery packaging.  Dimensions: Turquoise: 10mm x 12mm, Width of Band; 3mm