LEGO Diagon Alley (75978)

LEGO Diagon Alley, set number 75978, is a Harry Potter set of 5548 pieces with 17 minifigures, released in September 2020. Its recommended retail price was $449.99. It retired in December 2025.

Specifications

Set number: 75978-1
Theme: Harry Potter
Subtheme: General
Pieces: 5548
Minifigures: 17
Exclusive minifigures: 14
Released: September 2020
Retirement date: December 2025
MSRP (USD): $449.99
MSRP (GBP): £389.99
MSRP (EUR): €449.99
MSRP (CAD): CA$559.99
Amazon price: $635.00
Amazon 90-day average: $654.04
Amazon price vs MSRP: +41.11%
BrickLink new from: $520.00
BrickLink new from vs MSRP: +15.56%
BrickLink new 6-month average: $518.32
New sold on BrickLink in 6 months: 11
BrickLink used 6-month average: $379.75
Used sold on BrickLink in 6 months: 4

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Price tracking

StudFinder tracks Diagon Alley across Amazon and BrickLink and alerts you when the price falls past the discount you choose. Amazon most recently listed it at $635.00. The cheapest new BrickLink listing is $520.00. Full price history, retirement status and current deals are shown above.

How these prices are measured

The Amazon 90-day average of $654.04 is the mean of the lowest new Amazon listing for this set over the last 90 days, in US dollars. BrickLink figures are quoted for United States sellers in US dollars: "new from" is the lowest price a seller is currently asking, while the six-month averages are quantity-weighted means of the sales that actually completed on BrickLink over the last six months, drawn from 11 new and 4 used sales of this set. Each "vs MSRP" figure compares that price with this set's $449.99 recommended retail price.

Price sources

StudFinder does not sell LEGO. Every price above was observed at one of these marketplaces — follow a link to see what it costs there now.

Common questions

How much does LEGO Diagon Alley (75978) cost?

LEGO Diagon Alley launched at a recommended retail price of $449.99. Amazon most recently listed it at $635.00, though it is out of stock there right now. The cheapest new listing on BrickLink is $520.00. That is 15.56% above its $449.99 MSRP.

Is LEGO 75978 retired?

LEGO Diagon Alley retired in December 2025, so LEGO no longer produces it and it is only available second-hand or from leftover retailer stock. Used copies have sold on BrickLink for $379.75 on average.

How many pieces does LEGO Diagon Alley have?

LEGO Diagon Alley (75978) contains 5548 pieces. It also includes 17 minifigures, 14 of which appear in no other set.