Trading Card Price Guide
Look up what a trading card is worth. The HobbyScan catalog lists 4 cards that collectors have scanned — sports cards, Pokémon and other TCG cards — with photos, card details and eBay-based reference prices for RAW and graded copies. A reference price is a guide, not an offer: see how we calculate reference prices. Building a set? Browse release checklists. New to sold comps? Read the eBay sold prices guide.
4 cards matching “Gem-Knight Master Diamond”RAW prices are eBay-based reference prices
2025 Yu-Gi-Oh! BLMM-EN020 Gem-Knight Master Diamond DispersionGem-Knight Master Diamond Dispersion2025 · KonamiRAW$0.36
2023 Yu-Gi-Oh! HA07-EN059 Gem-Knight Master DiamondGem-Knight Master Diamond2023 · Konami
2020 Yu-Gi-Oh! Battles of Legend: Monster Mayhem BLMM-EN063 Gem-Knight Master DiamondGem-Knight Master Diamond2020 · Konami
2020 Yu-Gi-Oh! Battles of Legend: Monster Mayhem #BLMM-EN143 Gem-Knight Master DiamondGem-Knight Master Diamond2020 · Konami
