Material: Brass with Silver Plated <br /><br />Gemstone: zircon<br /><br />Diamond:Crystal <br /><br />Size: 7(US): Circumference: 54.4mm    Diameter: 17.3mm/0.68inches<br />     8(US): Circumference: 57mm    Diameter: 18.1mm/0.71inches<br /><br />The det