DCLA can verify your diamond against the diamond grading certificate you purchase it with. We will confirm that the diamond matches the grading certificate. included on the original Report issued by GIA. All Report Check information is subject to these limitations. Interested in getting your diamond graded by GIA?. De Beers is committed to sustaining trust in diamonds across the industry. It is essential that all synthetics and. Coming soon info cgl-labs. Thank you for providing such amazing information. But to make absolutely sure, go to the shop it was from and ask them. Community Dashboard Random Article About Us Categories Recent Changes. If you see rainbow colors, that's a sign of double refraction. When looking at independent appraisers, it would be ideal to select an appraiser with a Graduate Gemologist GG degree issued by a Gemological Institute in your country, who isn't involved directly in the sale of diamonds. It is probably another type of stone that is also very dense. New technology is allowing gemologists to quantify that uniqueness by producing a "fingerprint" of your gem. If a stolen diamond of yours with a fingerprint shows up in an international database, you should be able to retrieve it by showing documentation that proves it is yours. Quick Links Find a Jeweler Birthstones Find an Appraiser About AGS Diamonds News. Although it was believed that only diamond — one of the hardest natural minerals on the planet — could scratch glass, some cubic zirconia stones can do the same. The Verify Your Report service is neither an IGI report nor a warranty for an IGI report. Thanks to all authors for creating a page that has been read 5,, times. Reader Success Stories Share yours! Look Up A Report. It really helped, thanks! A Anonymous May 17, Look at the stone's refractivity. Using your hot breath is a good way to test a diamond for authenticity.