blue apple co. 3-stone v chevron midi ring band round simulated cubic zirconia 925 sterling silver thumb ring, size-9 blue apple co. item specifications: <br>metal type: sterling silver. <br>metal stamp or hallmark:. 925 <br>metal purity: 92. 5% sterling. <br>gemstone creation method: simulated. <br>face measurements from south to north: 4 mm. <br>