Diamond Certification
A certification, or diamond grading report, provides an unbiased description of the individual qualities that determine a diamond’s value and authenticity. Expert independent gemologists from the International Gemological Institute (IGI), evaluate specific attributes of the diamond, including its depth and dimension percentages as well as proportions, symmetry and finish. A certificate is issued with your diamond purchase.


Every one of our Certified Diamond Solitaire Rings also has a unique Gemscribe® number on the diamond's girdle, visible only under 10x magnification. The serial number on your certificate matches the number on your diamond. A Gemscribe® serial number ensures your diamond cannot possible be mistaken for any other.

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© Copyright 2000-2012 Kay Jewelers, a division of Sterling Jewelers, Inc. 375 Ghent Road, Akron, OH 44333
Sterling Inc., Jewelers - Retail, Akron, OH