Diamond Service Grading

09/06/2026

Marvel Collectors are grading their most treasured cards with DSG? Why? The answer is simple. They want to protect and retain the beauty & vibrant colors these cards possess. DSG slabs offer the best protection for collectors’ favorite Marvel cards:
• UV protected for long-lasting preservation against fading and discoloration
• 25x stronger polycarbonate material for the ultimate in long term protection. Who needs slab bumpers or slab guards? Not us, not here, not ever!
• Crystal clear slab cases for you the card collector to show-off & enhance the beauty of your favorite and most vibrant collectible cards.
• A fast 10-day turnaround for DSG’s Standard service and at only $15 per encapsulation

Invest in the highest quality slab available and grade your most treasured MARVEL cards today with DSG! Like this one!

2026 Topps Chrome Mint Marvel - Electro Gold Foil /50 graded a DSG 10 Gem Mint!

Trust us for accurate card grading. Submit now and elevate your card's value with precision.

09/06/2026

Marvel Collectors are grading their most treasured cards with DSG? Why? The answer is simple. They want to protect and retain the beauty & vibrant colors these cards possess. DSG slabs offer the best protection for collectors' favorite Marvel cards:
• UV protected for long-lasting preservation against fading and discoloration.
• 25x stronger polycarbonate material for the ultimate in long term protection. Who needs slab bumpers or slab guards? Not us, not here, not ever!
• Crystal clear slab cases for you the card collector to show-off & enhance the beauty of your favorite and most vibrant collectible cards.
• A fast 10-day turnaround for DSG’s Standard service and at only $15 per encapsulation

Invest in the highest quality slab available and grade your most treasured MARVEL cards today with DSG! Like this one!

2026 Topps Chrome Mint Marvel - Scott Williams Comic Creators Auto graded a DSG 10 Gem Mint!

09/02/2026

DSG is back at the Card Show Con - Card & Collectible Show for two full days of unforgettable baseball legends, professional wrestling superstars and more!! Meet your favorite icons, get your memorabilia personally autographed, get your favorite collectible cards graded on-site by Diamond Service Grading (DSG), and capture the moment with an exclusive professional photo in one place at the historic Cow Palace Arena & Event Center.

Stop on by. Bring your favorite collectible cards for “same day” on-site grading or to drop off an order for a standard 10-day submission. The team will be on hand offering their very popular Pokémon Mystery boxes with some banger hits! While you’re there, check out our displays to see the variety of encapsulations and custom frames we offer! We can grade and encapsulate a variety of card sizes at the show from standard, TCG, Pokémon, vintage sports, pre-war era To***co cards, premium thick sports cards & RPAs, Tallboys from Topps, Classic, & Fleer, concert & game tickets/stubs, and more.
Event Hours
Saturday, September 5, 2026: 10:00 AM – 6:00 PM
Sunday, September 6, 2026: 10:00 AM – 4:00 PM
Location
Cow Palace Arena & Event Center 2600 Geneva Avenue, Daly City, CA 94014

Trust us for accurate card grading. Submit now and elevate your card's value with precision.

09/02/2026

DSG is back at the Card Show Con - Card & Collectible Show for two full days of unforgettable baseball legends, professional wrestling superstars and more!! Meet your favorite icons, get your memorabilia personally autographed, get your favorite collectible cards graded on-site by Diamond Service Grading (DSG), and capture the moment with an exclusive professional photo in one place at the historic Cow Palace Arena & Event Center.

Stop on by. Bring your favorite collectible cards for “same day” on-site grading or to drop off an order for a standard 10-day submission. The team will be on hand offering their very popular Pokémon Mystery boxes with some banger hits! While you’re there, check out our displays to see the variety of encapsulations and custom frames we offer! We can grade and encapsulate a variety of card sizes at the show from standard, TCG, Pokémon, vintage sports, pre-war era To***co cards, premium thick sports cards & RPAs, Tallboys from Topps, Classic, & Fleer, concert & game tickets/stubs, and more.
Event Hours
Saturday, September 5, 2026: 10:00 AM – 6:00 PM
Sunday, September 6, 2026: 10:00 AM – 4:00 PM
Location
Cow Palace Arena & Event Center 2600 Geneva Avenue, Daly City, CA 94014

08/30/2026

2026 Topps Chrome Marvel - White Fox Future Stars - DSG 10 Gem Mint

08/30/2026

1991 Impel Marvel Universe - Silver Surfer - DSG 10 Gem Mint

08/24/2026

Are you aware that….
Diamond Service Grading Encapsulations are designed solely with the card collector in mind. What does that mean for Marvel card collectors?
Whether you collect vintage Marvel cards of the early 90’s or current era Marvel Chrome cards, collectors want to retain and protect the vibrant colors these cards possess. DSG slabs offer the best protection for your treasured Marvel cards:

• UV protected for long-lasting preservation against fading and discoloration
• 25x stronger polycarbonate material for the ultimate in long term protection. Who needs slab bumpers or slab guards? Not us, not here, not ever!
• Crystal clear slab cases for you the card collector to show-off & enhance the beauty of your favorite and most vibrant collectible cards. We also have custom-fitted options for unique card sizes!

Invest in the highest quality slab available and grade your most treasured cards today with DSG!

Trust us for accurate card grading. Submit now and elevate your card's value with precision.

08/22/2026

1991 Impel Marvel Universe - Iron Man - DSG 10 Gem Mint

08/22/2026

1991 Impel Marvel Universe - Spider-Man - DSG 10 Gem Mint

08/19/2026

2026 Topps Chrome Marvel - Electro Silver x-Fractor - DSG 10 Gem Mint