The showstopping limited edition Blue Sapphire & Diamond Signet Ring displays a regal 1 carat natural blue sapphire at its centre, encased in sparkling white diamonds and set upon a 14-karat yellow gold base. The purchase of this rare ring will be accompanied with a formal and independent certification of authenticity, and lifetime warranty so you can be assured that you are receiving the highest quality sapphire ring that is expertly crafted to last a lifetime. Material: Gold Karat: 14K Stone: Sapphire,Diamond Stone Colour: Blue,White Number of stones: 1 Stone carat: 1 x 1.02 Stone type: Natural Stone shape: Emerald cut Stone setting: Rub over Dimensions: 15.4 x 11.1 mm Does the piece come with a certificate? Yes Can the piece be engraved? Yes For all rings, the size can be customised just for you. Please contact us for other sizes.