blue apple co. simulated paraiba tourmaline cz size-8 vintage style halo oval art deco three piece wedding engagement ring bridal set round simulated cubic zirconia 925 sterling silver blue apple co. <p><b>item specifications:</b> <br>metal type: sterling silver. <br>metal stamp or hallmark: .925 <br>metal purity: 92.5% sterling. <br>gemstone : simulated paraiba tourmaline cz <br>gemstone creation method: simulated. <br>gemstone color: blue <br>gemstone shape: oval-shape<br>face measurements from south to north: 10mm (0.39")<br>ring size: 8<br> ship from los angeles</p>