• IGI Value: $321,035
• GIA #: 13570805
• Metal:  950 Platinum  
• Diamond Shape:  Emerald cut
• Center Diamond Weight: 5.02 ct
• Total Diamond Weight:  5.43 ctw
• Diamond Clarity:  Very Slightly Included ( VS1 )
• Diamond Color:  Colorless ( E )
• Ring Size:  7 - Sizeable to within 1 size  (Costco does not provide this service)  

Costco makes purchasing the highest quality diamonds easy by offering only the industry's highest quality diamonds at the lowest possible price.  Our long-standing relationship with our suppliers guarantees we get the best selection at the best value.  Costco's experienced buying team works with our suppliers evaluating and hand-selecting each diamond for its quality and brilliance.  Our team of Graduate Gemologists then inspect every diamond to ensure it meets the strictest quality standards in the industry in cut, color, clarity, and craftsmanship.  You can be confident your purchase is as special to us as it is to you.

This item comes with a Summation Of Appraisal certificate from the International Gemological Institute (IGI). This is to certify that the item described above is genuine, and has been independently examined in the laboratories of IGI.

Also included with this diamond is a GIA (Gemological Institute of America), Gem Trade Laboratory, Diamond Grading Report. Gem Trade Laboratory is a division of GIA Enterprises, Inc., a wholly owned subsidiary of the nonprofit Gemological Institute of America, Inc. This describes the characteristics of the diamond at the time of the examination based upon 10x magnification.

When returning unique jewelry items, or items containing a 1.00 ct center diamond or larger, Costco warehouses may require additional time to verify the diamond, in which case a refund will be approved upon positive verification and as long as the item is not damaged or changed in any way (i.e. resized or reset). This process may require two to five business days.