Holy Grail Grading | UK Premium Trading Card Authentication
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10
Pokémon TCG
GRAIL
9
One Piece
MINT
10
Pokémon TCG
GRAIL
8
Topps TCG
NM-MT
9
One Piece
MINT
10
Pokémon TCG
GRAIL
UK Premium Card Authentication

The Grail

Standard.

Ultra-strict. Microscopic. Uncompromising. Every card examined under extreme digital magnification. Every grade earned, never given.

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Recent Grades
Treecko
MINT 9Treecko
Torchic
MINT 9Torchic
Mudkip
MINT 9Mudkip
Lugia Holo
GRAIL 10Lugia Holo
Monkey D. Luffy
GRAIL 10Monkey D. Luffy
Mewtwo EX
GRAIL 10Mewtwo EX
Articuno
GRAIL 10Articuno
Pikachu
MINT 9Pikachu
Lileep
NEAR MINT 7Lileep
Riolu
GRAIL 10Riolu
Marill
GRAIL 10Marill
Paldean Wooper
GRAIL 10Paldean Wooper
Treecko
MINT 9Treecko
Torchic
MINT 9Torchic
Mudkip
MINT 9Mudkip
Lugia Holo
GRAIL 10Lugia Holo
Monkey D. Luffy
GRAIL 10Monkey D. Luffy
Mewtwo EX
GRAIL 10Mewtwo EX
Articuno
GRAIL 10Articuno
Pikachu
MINT 9Pikachu
Lileep
NEAR MINT 7Lileep
Riolu
GRAIL 10Riolu
Marill
GRAIL 10Marill
Paldean Wooper
GRAIL 10Paldean Wooper
🔬
Our High-Tech Digital Microscope Analysis
◈
Ultra-Strict 1–10 Whole-Number Scale
🇬🇧
UK Based
⚡
Fast UK Turnaround
🏆
Pokémon · One Piece · Topps TCG · Dragon Ball Super
🔐
Certificate Verification System
⭐
No Half Grades. Every grade earned.
🔬
Our High-Tech Digital Microscope Analysis
◈
Ultra-Strict 1–10 Whole-Number Scale
🇬🇧
UK Based
⚡
Fast UK Turnaround
🏆
Pokémon · One Piece · Topps TCG · Dragon Ball Super
🔐
Certificate Verification System
⭐
No Half Grades. Every grade earned.
The Process

Three steps to certified
excellence.

01
Submit

Select your service tier and pay securely via Stripe at checkout, then complete the submission form. Print and include the completed submission form with your cards. Package securely and post to our Crawley PO Box.

02
Grade

Every card is examined under our high-tech digital microscope. Centering measured. All 8 corners and 8 edges individually assessed. Defects documented.

03
Certified

Your official HGG certificate issued with unique Cert ID. Cards returned safely. Grade verifiable online. Your collection protected.

Corner Analysis
Edge Integrity
Print Quality
Surface Scan
Microscopic Precision

Examined under
extreme magnification.

  • Our high-tech digital microscope with 4K imaging — every card analysed in full detail
  • All 8 corners assessed individually — front and back
  • All 8 edges assessed individually — front and back
  • Surface inspection for print lines, micro-scratches, roller indentations
  • Centering measured mathematically from standard camera images
  • Zero defect tolerance for our Grade 10 GRAIL designation
Grading Services

Choose your service.

Most Popular
Standard
HG Standard
£15 / card

The benchmark grade. Full microscopic inspection, centering analysis, official HGG certificate.

  • Full microscope analysis
  • Official HGG certificate
  • Centering measured
  • Online verification
Value Plus
HG Value Plus
£18 / card

Priority processing. Ideal for mid-value cards where speed matters without compromising precision.

  • Priority queue
  • Full microscope analysis
  • Official HGG certificate
  • Online verification
Value Max
HG Value Max
£30 / card

Maximum scrutiny for your most valuable cards. Full high-tech digital microscope analysis with enhanced documentation.

  • Enhanced microscope report
  • Priority grading
  • Full defect documentation
  • Official HGG certificate
Bulk
HG Bulk
£280 / 20 cards

Best value for collectors and traders grading at scale. 20 cards at £14 per card.

  • 20 cards included
  • £14 per card
  • Full analysis each card
  • All certificates included
The HGG Scale

Ultra-strict. No half grades.
Every tier earned.

10
GRAIL
Zero defects. 55/45 centering.
9
MINT
Max 1 microscopic flaw. 60/40.
8
NM-MT
Minor flaws. 70/30 centering.
7
NEAR MINT
Light wear. 75/25 centering.
6–1
EX–POOR
Visible wear to heavy damage.
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"Other graders process thousands of cards a day. We grade yours like it's the only one."

Holy Grail Grading · London, UK

Your collection
deserves the Grail
standard.

Submit your cards today. Every card examined under extreme digital magnification. Every grade earned, never given.

Submit Your Cards Now → Get in Touch