Sagittal view by TVUS showing thickened echogenic endometrium Sterling Silver Ring with Light Blue Cubic Zirconia. An ice blue cubic zirconia flashes brilliantly from the center of this unique sterling silver ring. Ring size 7 to 8. Product Information Metal Sterling Silver Metal Stamp 925 Style Name Fancy Shape Round (Cubic Zirconia) Stone Creation Method Simulated (Cubic Zirconia) Stone Treatment Method Not Treated (Cubic Zirconia) Size 7