// LEGO
LEGO 21137 Minecraft Mountain CaveVerified
Last updated 04/07/2026
Market value · sealed
$1,658
4 real sales · range $1,100–$2,500Verified
LiquidityTrades oftenno recent sales
Last sold2mo agowaiting on the market
Key facts
✦ AI poweredAI-generated from public knowledge. A helpful guide, verify anything important.
Ungraded
Real captured sales · monthly medians · hover a point
GradeHighTypicalLowSales
Sealed$2,500$1,658$1,1004
Complete in box$900$900$9001
Boxed$750$750$7501
Loose$473$473$4731
Raw / played$1,052$541$302
Raw$900$538$8520
$1,716$691$2,200$18$180$180$1,052$473$34$900$30$450No captured sales in this grade yet.
Free with an account
Live listings
Current listings for this item,
priced against market value.
No subscription needed · Log in
Verifiedreal sold salesEstimatedmarket snapshotNo data yetnever an invented number
A note on prices.Every value here is an estimate, drawn from public sales data and third-party sources. It's a guide, not a valuation or an offer, and it can be incomplete or out of date. Check an item yourself before you buy or sell. Grailsnap can't take responsibility for decisions made on these figures.Market price data sourced in part from PriceCharting.