Sterling Silver Round Genuine Blue Chalcedony Stud Post Earrings 8mm Round Blue Chalcedony Cabochons 3/8" Round in Diameter Weight is 3.4 Grams Posts for Pierced Ears Marked .925 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!