CURRENT TURNAROUND: 3–10 DAYS

Lightning-fast grading, starting at $5

No memberships. No minimums. Ship your cards, we grade them, you flex the slab. Plus, free ducks.

Submit Your Cards See Pricing

EXPERT GRADING FREE DUCKS

76+

5-star reviews

3–10 Days

current turnaround

$5

starting price

Up to 180pt

Thick cards? No problem.

WHAT WE GRADE

Sports. Pokémon. Lorcana. Anything.

Standard cards up to 35pt, and thick cards up to 180pt with our Thick Slab Upgrade. Every card is professionally graded, ultrasonically welded, and encased — back in your hands in about 10 days.

Volume pricing that scales with you

Enter how many cards you're grading and the price adjusts automatically — no memberships, no minimums, and FREE return shipping on all submissions.

Cards Tier Price

1–4 Draft Pick $10.00/card

5–9 Prospect $9.00/card

10–24 Starter $8.00/card

25–49 All-Star $7.00/card

50–99 MVP $6.50/card

100–249 Hall of Fame $6.00/card

250+ BEST RATE GOAT $5.00/card

Start Your Submission

Collectors trust Sigma

100+ 5 STAR REVIEWS AND COUNTING

“Very fast turn around. Graded cards look amazing. I will be sending more to be graded.”

Michael Hairston

“Happy with the quality of the slabs and quick, courteous service. Highly recommend.”

Livio Cariello

“Fantastic company. Look at sales increase without price gouging. I trust these guys.”

Donnie Riffle

“Reliable grading, fast service, and free return shipping. Overall fantastic service.”

Jeff Turner

“Best customer service, great product, quick turn around. I love Sigma.”

Chad

“Quick, fairly priced, and easy to work with. The slabs look great!”

Bryan Ervin

The SIGMA Process

01

Submit

Checkout, prep your cards, and ship them to us with your carrier of choice.

02

We Grade

Every card is examined and professionally graded by our team.

03

Encased

Cards are ultrasonically welded and sealed into a protective slab.

04

Delivered

Your graded cards ship back to you in about 10 days. Return shipping is free!

FAQ

What’s the current turnaround time?

We’re currently running 3–5 business days from when we receive your cards.

What cards do you grade?

Standard cards up to 35pt and thick cards up to 130pt with our Thick Slab Upgrade — sports, Pokémon, Lorcana, and more.

Is return shipping really free?

Yes, always. Optional return shipping insurance is also available at checkout.

Do I need a membership or minimum order?

No memberships, no minimums. Grade one card or a thousand — same great price.

Ready to get graded?

Get to Grading