Why DGA?

At Diamond Grading & Authentication we understand the collector has several options of how to have their cards graded, but at DGA, our guarantees set us apart from the competition! Beginning with precise turnaround times and real time order tracking, you can follow your cards through their authentication journey from arrival to shipment, know your collectibles are secure and when they will be back home! DGA is a third-party authentication and grading service backed by true expert industry experience! Our staff and grading team have literally spent decades within the sports card hobby and recognize the needs and wants of the collector.

At DGA, our goal is to provide accurate and consistent grade evaluations held to the highest industry standards. We want to maximize the value of your collection, having your cards graded will protect your investment and eliminate the subjectiveness of condition. Our tamper proof slabbing technology and enhanced label security features offer the collector the assurance their cards are protected when encapsulated by DGA. Separating Diamond Grading & Authentication from others is our unique industry labeling design. We realize your sports card is the artwork and our slab is its frame! For the first time in our hobby, DGA introduces a sport specific label for both modern and vintage cards! Our full color label was designed to display without distraction and offers a sepia tone variation for cards pre-1990!

For more information on our products and services, check out the FAQ section of the homepage.