Cubic zirconia ring | Cubic zirconia crystal ring | Cubic zirconia birthstone jewelry | April Birthstone Ring | April Birthstone jewelry This listing is for one large cubic zirconia crystal electroformed to a hand-hammered 12 gauge recycled copper ring. Stones vary but are approximately 10 mm in diameter. If your size is unavailable, please select "custom" from the drop down menu and indicate the size you need at check out. Our jewelry is unique and one-of-a-kind. Please note there will…