0.46 Ct Round Blue Tanzanite 925 Sterling Silver Pendant With Chain 0.46 Ct 5mm Round Natural Blue Tanzanite 925 Sterling Silver Pendant With 18 Inch 925 Sterling Silver Chain 100% Satisfaction Guaranteed 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.