hp243
Gilderoy Lockhart
Exclusive to this set
$25.18
Harry Potter · 75978-1
LEGO 75978-1 Diagon Alley
LEGO 75978 Diagon Alley is a Harry Potter set valued at $568 for new and sealed sets, up 26% from an original retail price of $449.99. The set retired in September 2025 with annual appreciation averaging 12.12% since. Used copies are valued between $463 and $553 depending on condition. Secondary market prices for new and sealed sets typically fall between $530 and $587.
Market position26.3% above original retailNew-market estimate vs. retail
90-day trend-1.2%Recorded value movement
AvailabilityRetiredLatest collected status
History depth70 monthsMonthly market records
PRICE GUIDE
Current LEGO 75978-1 values
Condition-specific market estimates compared with the original retail price.
New / sealed value
$568.26
+26.3% vs. retail
Used value
$471.66
$462.69 – $552.97
Original retail
$449.99
Released Sep 2020
Market values are estimates for the set condition shown; live retailer and marketplace prices may differ.
MARKET TREND
Price history
Sealed-market monthly prices through Jul 2026; used values are a current snapshot.
Sealed latest$617.5970 plotted months
Used value$471.66Current estimate
Used range$462.69 – $552.97Current low to high
Latest close$617.59
Period low$456.50
Period high$647.51
Period change+26.6%
MARKET VALUE
Sealed price history
Latest
$617.59
+26.6% over period
View monthly price data
| Month | Open | Low | High | Close | Sales | Source |
|---|---|---|---|---|---|---|
| 2026-07 | $556.99 | $536.78 | $657.99 | $617.59 | 65 | Brickeconomy |
| 2026-06 | $512.66 | $485.67 | $647.57 | $593.60 | 46 | Brickeconomy |
| 2026-05 | $546.57 | $526.75 | $645.69 | $606.04 | 56 | Brickeconomy |
| 2026-04 | $536.26 | $508.03 | $677.38 | $620.93 | 51 | Brickeconomy |
| 2026-03 | $555.93 | $535.77 | $656.74 | $616.42 | 34 | Brickeconomy |
| 2026-02 | $549.66 | $520.73 | $694.31 | $636.45 | 68 | Brickeconomy |
| 2026-01 | $551.05 | $531.06 | $650.98 | $611.01 | 94 | Brickeconomy |
| 2025-12 | $552.84 | $523.74 | $698.32 | $640.13 | 87 | Brickeconomy |
| 2025-11 | $559.91 | $539.60 | $661.44 | $620.83 | 80 | Brickeconomy |
| 2025-10 | $534.23 | $506.11 | $674.81 | $618.58 | 71 | Brickeconomy |
| 2025-09 | $523.55 | $504.56 | $618.49 | $580.52 | 83 | Brickeconomy |
| 2025-08 | $505.67 | $479.06 | $638.75 | $585.52 | 36 | Brickeconomy |
| 2025-07 | $460.74 | $449.99 | $544.29 | $510.87 | 22 | Brickeconomy |
| 2025-06 | $455.57 | $449.99 | $575.46 | $527.50 | 20 | Brickeconomy |
| 2025-05 | $449.99 | $449.99 | $498.47 | $467.86 | 15 | Brickeconomy |
| 2025-04 | $457.72 | $449.99 | $578.18 | $530.00 | 14 | Brickeconomy |
| 2025-03 | $515.88 | $497.17 | $609.44 | $572.02 | 22 | Brickeconomy |
| 2025-02 | $544.19 | $515.55 | $687.39 | $630.11 | 24 | Brickeconomy |
| 2025-01 | $449.99 | $449.99 | $514.31 | $482.73 | N/A | Brickeconomy |
| 2024-12 | $530.89 | $502.95 | $670.60 | $614.71 | N/A | Brickeconomy |
| 2024-11 | $473.46 | $456.29 | $559.32 | $524.98 | N/A | Brickeconomy |
| 2024-10 | $449.99 | $449.99 | $498.00 | $456.50 | N/A | Brickeconomy |
| 2024-09 | $449.99 | $449.99 | $496.64 | $466.14 | N/A | Brickeconomy |
| 2024-08 | $472.70 | $449.99 | $597.10 | $547.34 | N/A | Brickeconomy |
| 2024-07 | $541.41 | $521.78 | $639.60 | $600.32 | N/A | Brickeconomy |
| 2024-06 | $473.50 | $449.99 | $598.10 | $548.26 | N/A | Brickeconomy |
| 2024-05 | $482.42 | $464.92 | $569.90 | $534.91 | N/A | Brickeconomy |
| 2024-04 | $449.99 | $449.99 | $544.92 | $499.51 | N/A | Brickeconomy |
| 2024-03 | $449.99 | $449.99 | $528.11 | $495.68 | N/A | Brickeconomy |
| 2024-02 | $451.91 | $449.99 | $570.83 | $523.26 | N/A | Brickeconomy |
| 2024-01 | $494.35 | $476.42 | $583.99 | $548.13 | N/A | Brickeconomy |
| 2023-12 | $490.24 | $464.44 | $619.25 | $567.64 | N/A | Brickeconomy |
| 2023-11 | $489.96 | $472.19 | $578.81 | $543.27 | N/A | Brickeconomy |
| 2023-10 | $449.99 | $449.99 | $560.37 | $513.67 | N/A | Brickeconomy |
| 2023-09 | $482.29 | $464.80 | $569.75 | $534.77 | N/A | Brickeconomy |
| 2023-08 | $449.99 | $449.99 | $563.79 | $516.81 | N/A | Brickeconomy |
| 2023-07 | $472.35 | $455.21 | $558.00 | $523.74 | N/A | Brickeconomy |
| 2023-06 | $472.19 | $449.99 | $596.45 | $546.75 | N/A | Brickeconomy |
| 2023-05 | $449.99 | $449.99 | $521.40 | $489.39 | N/A | Brickeconomy |
| 2023-04 | $483.84 | $458.38 | $611.17 | $560.24 | N/A | Brickeconomy |
| 2023-03 | $515.82 | $497.11 | $609.36 | $571.94 | N/A | Brickeconomy |
| 2023-02 | $559.22 | $529.78 | $706.38 | $647.51 | N/A | Brickeconomy |
| 2023-01 | $520.10 | $501.23 | $614.42 | $576.69 | N/A | Brickeconomy |
| 2022-12 | $480.19 | $454.92 | $606.56 | $556.01 | N/A | Brickeconomy |
| 2022-11 | $533.72 | $514.37 | $630.51 | $591.80 | N/A | Brickeconomy |
| 2022-10 | $506.90 | $480.22 | $640.29 | $586.93 | N/A | Brickeconomy |
| 2022-09 | $539.37 | $519.80 | $637.18 | $598.05 | N/A | Brickeconomy |
| 2022-08 | $486.97 | $461.34 | $615.11 | $563.85 | N/A | Brickeconomy |
| 2022-07 | $540.93 | $521.32 | $639.03 | $599.79 | N/A | Brickeconomy |
| 2022-06 | $525.50 | $497.84 | $663.79 | $608.47 | N/A | Brickeconomy |
| 2022-05 | $485.57 | $467.96 | $573.63 | $538.41 | N/A | Brickeconomy |
| 2022-04 | $449.99 | $449.99 | $560.91 | $514.17 | N/A | Brickeconomy |
| 2022-03 | $486.22 | $468.58 | $574.39 | $539.12 | N/A | Brickeconomy |
| 2022-02 | $518.34 | $491.06 | $654.75 | $600.19 | N/A | Brickeconomy |
| 2022-01 | $474.07 | $456.87 | $560.04 | $525.65 | N/A | Brickeconomy |
| 2021-12 | $506.77 | $480.10 | $640.13 | $586.79 | N/A | Brickeconomy |
| 2021-11 | $459.05 | $449.99 | $542.29 | $508.99 | N/A | Brickeconomy |
| 2021-10 | $488.33 | $462.63 | $616.84 | $565.44 | N/A | Brickeconomy |
| 2021-09 | $455.76 | $449.99 | $538.41 | $505.35 | N/A | Brickeconomy |
| 2021-08 | $449.99 | $449.99 | $557.75 | $511.27 | N/A | Brickeconomy |
| 2021-07 | $529.13 | $509.94 | $625.09 | $586.71 | N/A | Brickeconomy |
| 2021-06 | $473.55 | $449.99 | $598.17 | $548.32 | N/A | Brickeconomy |
| 2021-05 | $537.76 | $518.25 | $635.28 | $596.27 | N/A | Brickeconomy |
| 2021-04 | $478.43 | $453.25 | $604.33 | $553.97 | N/A | Brickeconomy |
| 2021-03 | $511.16 | $492.62 | $603.85 | $566.78 | N/A | Brickeconomy |
| 2021-02 | $534.59 | $506.46 | $675.28 | $619.00 | N/A | Brickeconomy |
| 2021-01 | $533.96 | $514.59 | $630.79 | $592.06 | N/A | Brickeconomy |
| 2020-12 | $589.83 | $558.79 | $620.88 | $620.88 | N/A | Brickeconomy |
| 2020-11 | $514.73 | $496.06 | $533.40 | $533.40 | N/A | Brickeconomy |
| 2020-10 | $463.47 | $449.99 | $487.86 | $487.86 | N/A | Brickeconomy |
MARKET ACTIVITY
Through Jul 2026
Sales and liquidity
Reported sealed-market sales and monthly price ranges for the latest 6 months.
Reported sales3206-month total
Monthly average53.3reported sales
Active months6 / 6with at least one sale
3-month trend+9.2%167 vs 153 sales
LiquidityHigh activitybased on reported sales
Recent monthly price distributionLow · close · high
Jul 2026
$617.59
$536.78
$617.59
$657.99
65 sales
Jun 2026
$593.60
$485.67
$593.60
$647.57
46 sales
May 2026
$606.04
$526.75
$606.04
$645.69
56 sales
Apr 2026
$620.93
$508.03
$620.93
$677.38
51 sales
Mar 2026
$616.42
$535.77
$616.42
$656.74
34 sales
Feb 2026
$636.45
$520.73
$636.45
$694.31
68 sales
Activity labels describe reported historical sales only; they do not guarantee that a set can be sold immediately.
VALUE OUTLOOK
Growth and retirement
Total growth+26.3%New / sealed value
Annual growth+12.1%Recorded annual rate
1-year forecast$637.14N/A
5-year forecast$909.42N/A
5-year range$865.00 – $938.00Collected estimate
Used value range$462.69 – $552.97Observed market range
MethodSource-provided projectionDisplayed as collected; SetWatch does not recalculate it.
Forecast sourceBrickeconomySource attached to the forecast fields.
Recorded history70 monthsCurrent history coverage on SetWatch.
ConfidenceNot independently scoredA range appears only when the source supplies bounds.
Forecasts are directional estimates, not guaranteed future prices or investment advice. Actual value depends on condition, demand, fees, and sale timing.
A Harry Potter flagship street with modular display appeal, Diagon Alley (2020) is an Exclusive release whose multiple exclusive character variants and distinctive shop builds underpin collector interest, and extended production tempered short-term scarcity while post-retirement demand is likely to firm.
INCLUDED CHARACTERS
17 listed · $166.23 value
Minifigures
hp245
Daily Prophet Photographer
Exclusive to this set
$16.97
hp246
Garrick Ollivander
Exclusive to this set
$14.35
hp244
Florean Fortescue
Exclusive to this set
$12.70
hp252
Fred Weasley
Exclusive to this set
$12.12
hp251
George Weasley
Exclusive to this set
$11.25
hp257
Ravenclaw Quidditch Mannequin
Exclusive to this set
$10.65
hp250
Molly Weasley
Exclusive to this set
$8.75
hp255
Lucius Malfoy
Exclusive to this set
$7.80
hp256
Harry Potter
Exclusive to this set
$7.73
hp249
Ginny Weasley
Exclusive to this set
$7.33
hp258
Hufflepuff Quidditch Mannequin
Exclusive to this set
$7.26
hp247
Harry Potter
Exclusive to this set
$5.06
hp253
Hermione Granger
Exclusive to this set
$4.85
hp248
Ron Weasley
Exclusive to this set
$4.21
hp144
Rubeus Hagrid
Quantity 1
$8.18
hp254
Draco Malfoy
Quantity 1
$1.84
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