925 Sterling Silver Cluster Cubic Zirconia Post Earrings 925 Sterling Silver Cluster Cubic Zirconia Post Earrings. Post Friction back keeps earrings secure and comfortable on the ears. Total of 14 Clustered Round Cubic Zirconia Channel and Bezel Set. 6.7mm in Diameter. An Elegant Gift Box is included. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!