925 Sterling Silver Earrings with Black & Opal Gemstones 925 Sterling Silver (Solid) Black Shell & Lab Opal Premium Quality | Imported Turquoise Network: Fine jewelry at UNBELIEVABLE low prices! Accredited member of the Better Business Bureau (A+ Rated 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! All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.