The most expensive LEGO set currently is the 2025 LEGO Star Wars Ultimate Collector Series Death Star, retailing at $1,000. It contains 9,023 pieces and 38 minifigures, making it not only the priciest but also one of the largest and most detailed LEGO sets released to date.

Older and more collectible sets, like some early vintage models or rare auctions, can fetch higher prices on the secondary market, but as to official retail release prices, the 2025 Ultimate Collector Series Death Star holds the record.