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The James Allen Guarantee

Lifetime Upgrade
Any loose natural diamond purchased from James Allen can be exchanged at 100% credit for any replacement natural diamond of at least 2x or greater value. Any loose lab grown diamond purchased from James Allen can be exchanged at 100% credit for any replacement lab grown diamond of at least 2x or greater value. The diamond that is being upgraded must be in original condition and accompanied by the original laboratory grading document.
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