In 2018, LEGO released 5 Icons sets across 4 subthemes, all of these sets have been retired. Subthemes for that year included Fairground, Modular Buildings, Vehicles, and Winter Village. For that year, the total price of all retail sets cost $1,000, today those sets are valued around $1,656, a growth of 66%.
Most valuable 2018 LEGO Icons set
10261 Roller Coaster $499.98
Highest growth 2018 Icons set
10260 Downtown Diner +125.43%
Most owned 2018 Icons set
10262 James Bond Aston Martin DB5
5 sets

10260 Downtown Diner

Theme / Subtheme Icons / Modular Buildings
Year 2018
Pieces / Minifigs 2,480 / 6
Availability Retired
10260 LEGO Downtown Diner
Retail $169.99
Value $383.21
Growth  +125.4%
Annual growth 15.4%

10261 Roller Coaster

Theme / Subtheme Icons / Fairground
Year 2018
Pieces / Minifigs 4,124 / 11
Availability Retired
10261 LEGO Roller Coaster
Retail $379.99
Value $499.98
Growth  +31.6%
Annual growth 6.1%

10262 James Bond Aston Martin DB5

Theme / Subtheme Icons / Vehicles
Year 2018
Pieces 1,290
Availability Retired
10262 LEGO James Bond Aston Martin DB5
Retail $149.99
Value $248.58
Growth  +65.7%
Annual growth 11.9%

10263 Winter Village Fire Station

Theme / Subtheme Icons / Winter Village
Year 2018
Pieces / Minifigs 1,166 / 8
Availability Retired
10263 LEGO Winter Village Fire Station
Retail $99.99
Value $164.00
Growth  +64.0%
Annual growth 9.2%

10268 Vestas Wind Turbine

Theme Icons
Year 2018
Pieces / Minifigs 826 / 3
Availability Retired
10268 LEGO Vestas Wind Turbine
Retail $199.99
Value $359.99
Growth  +80.0%
Annual growth 10.6%