Set values / LEGO Diagon Alley #75978
LEGO Diagon Alley 75978
Harry Potter · 2020 · 5548 pcs

LEGO Diagon Alley #75978

Retired 2025-09-02
Value now (new)
$594
+32% vs retail
Retail price$450
Value now (used)$403
New price range$379 to $1,143
Prices as of 2026-07-19
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Is LEGO Diagon Alley a good investment?

LEGO Diagon Alley is retired and trades +32% versus its original retail price. Retired sets usually keep climbing as sealed supply dries up, so most collectors hold and sell into a spike rather than flipping now.

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About LEGO Diagon Alley

The LEGO Diagon Alley (set 75978) is a Harry Potter set released in 2020 with 5548 pieces. It has retired and is no longer produced by LEGO, which is often when collectible sets start to gain value.

It originally sold for $450. Today, sealed copies trade around $594 on the secondary market, a gain of 32% versus its original price. Used copies average $403, with listings ranging from $379 to $1,143.

Prices for the LEGO Diagon Alley come from live BrickLink marketplace data, updated regularly. To see its full price history, retirement forecast and the best window to sell, track it in your free BrickGains portfolio.

Specifications

Set number75978
ThemeHarry Potter
Year released2020
Pieces5548
Price per piece$0.08
Original retail price$450
StatusRetired 2025-09-02
Current value (new)$594
Change vs retail+32%
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