5.51 5.50 3.43. View Certificate 142570374 on DGI lab website. All stones are 100% natural. We will provide our customers with tracking numbers. You can pay in one of the following ways.Payments received after 4 days of the end date will not be accepted. We reserve the right to relist the item in such a situation. Please contact our customer service department here. If you have any additional questions. Tap the shape you want. Powered by Valigara Jewelry Manager. The item "Loose Blue Diamond Real Round Shaped Fancy Color Natural Enhanced 0.65 Carat I1" is in sale since Thursday, September 27, 2018. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Diamonds\Enhanced Natural Diamonds". The seller is "smartdiamondsource" and is located in New York, New York. This item can be shipped to United States.