# The Most Valuable 2021 Upper Deck Black Diamond Hockey Cards

The top tier of 2021 Upper Deck Black Diamond hockey cards commands significant prices due to elite player appeal and low supply. Currently, Kirill Kaprizov [Relics Quad] at $800 and Connor McDavid [Relics Quad] at $749 exemplify this high-end valuation. Value in this market is primarily driven by a combination of card scarcity and pristine condition. This ranking reflects real-time market shifts, with prices constantly updated based on recent eBay sold listings below.

**300 items ranked** by median closed-sale value.

The ranked list with current values is on the page: [https://junkpal.ai/best/most-valuable-2021-upper-deck-black-diamond-hockey-cards](https://junkpal.ai/best/most-valuable-2021-upper-deck-black-diamond-hockey-cards)

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DThe%2520Most%2520Valuable%25202021%2520Upper%2520Deck%2520Black%2520Diamond%2520Hockey%2520Cards%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-best-sold&p=md-best-sold)
- [Current listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DThe%2520Most%2520Valuable%25202021%2520Upper%2520Deck%2520Black%2520Diamond%2520Hockey%2520Cards%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-best-live&p=md-best-live)

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

_Updated 2026-08-12._

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Source: [https://junkpal.ai/best/most-valuable-2021-upper-deck-black-diamond-hockey-cards](https://junkpal.ai/best/most-valuable-2021-upper-deck-black-diamond-hockey-cards) · JunkPal price guide (junkpal.ai)
Values are medians of real closed eBay sales — estimates for reference, not offers or appraisals.
More machine-readable surfaces: [/llms.txt](https://junkpal.ai/llms.txt)