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What is a GCAL Report?

April 26, 2017gcal report

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What is a GCAL Report?

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When you purchase a Blue Nile Signature Collection diamond, you will receive an additional certification from the Gem Certification & Assurance Lab (GCAL). This secondary certificate verifies that your diamond meets all the specific quality requirements of the Blue Nile Signature Collection, and provides you with an additional authoritative analysis of your diamond. The GCAL Diamond Certificate of Authenticity includes: • Actual Size Photo: A photo of your diamond at its actual size • Direct Light Performance Analysis: A visual image of your diamond’s brilliance and optical symmetry • Laser Inscription Photo: A close-up shot of the laser inscription taken at 50x magnification • Proportion Diagram: A diagram noting your diamond’s specific measurements, which are used to determine the cut grade. In addition, GCAL offers a money-back guarantee that assures the accuracy of your diamond’s grading. Learn more about the GCAL Certificate of Diamond Authenticity here.