The Collector's Choice
Since 2021, Diamond Service Grading has been dedicated to staying the collector’s choice for the grading of trading cards. We continually strive to provide accurate, reliable grading that collectors can trust. Additionally, we aim to deliver the best value for our customers, ensuring top-notch quality and service at competitive prices.
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Grading Made Easy
32 sub-grades covering every corner, surface and edge in all 8 zones. With a 0 – 4 scale, understanding your grade has never been easier. Use the grade report to identify damage found on the cards. Our holders feature a QR Code on the back, scan it with your phone and your Grade Report will appear! Including images of both the front and back of your card, you will find a detailed report that shows exactly where the flaws and damage are located and their degree.Â
Affordable Pricing & Fast Turnaround Times
We understand the importance of both affordability and quality, and our team is dedicated to meeting these expectations. Your satisfaction is our priority, and we continuously work to enhance our offerings while keeping costs accessible.
Preservation, Authentication, and Elevation in One.
Discover the all-in-one solution for your collectible cards. Our slabs provide preservation, authentication, and elevation in a single, secure package. With easy-to-understand grade reports, our holders cater to TCGs, sports, and non-sports cards alike– no limitations, just top-tier protection and clarity. Safeguard your cards and elevate its value with DSG.
Card ID
Every graded card with DSG receives its own unique card ID, allowing you to more easily identify your card within our database.
QR Code
Our slabs feature a scannable QR code on the back of each label, accessible on any mobile device, linking you directly to the cards grade report.
Polycarbonate
Our shatterproof polycarbonate casing is a durable protective enclosure to safeguard and preserve the condition of collectible trading cards. Polycarbonate is 25x stronger than acrylic.
Grade Report
A comprehensive graphic offering detailed information about a card's condition, authenticity, and grade assessment.
HD Imaging
Inside each grade report is High Quality Imaging of your raw card, allowing you to see the card before it is graded, and used to aid in accurate assessment and authentication.
UV-Resistance
DSG uses a UV-resistant polycarbonate slab to shield collectible trading cards from harmful ultraviolet light. It preserves the card condition, preventing fading, discoloration, and damage.
CARD GRADING AUTHENTICATION ENCAPSULATION SERVICES




Since 2021, Diamond Service Grading has been dedicated to staying the collector’s choice for the grading of trading cards. We continually strive to provide accurate, reliable grading that collectors can trust. Additionally, we aim to deliver the best value for our customers, ensuring top-notch quality and service at competitive prices.


DSG now offers slim, sleek holders specifically designed for tall boy cards. These custom-fit cases provide top-tier protection while maintaining a slim profile—perfect for showcasing your oversized collectibles with precision and style!
DSG can now encapsulate thick cards up to 200pt! From premium patches to memorabilia, our robust holders provide the ultimate protection for your most valuable thick cards, ensuring they stay safe and secure.


Get 5 cards graded for just $50 with our special code '5450'! Whether you're a seasoned collector or just starting out, this is the perfect opportunity to experience our quality grading services at an unbeatable price.
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