This Number Can Be Used On The Official IGL Website To View & Validate This Diamonds Certification. There Will Be No Physical Certification Issued With This Diamond. Please See The Scan Of The Online Certificate Above For All Other Relevant Details. Items are sent via the post office or various courier services.All orders will be accompanied by a certificate of authenticity. CHECK OUT OUR OTHER GREAT DEALS. The item "IGL Certified 1.21ct F Colour Round Brilliant Cut Diamond. SI3" is in sale since Saturday, August 19, 2017. This item is in the category "Jewellery & Watches\Loose Diamonds & Gemstones\Diamond\Natural Diamonds". The seller is "londoncoinsbiz" and is located in Twickenham, Middlesex. This item can be shipped worldwide.