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The most valuable Castle Black Knights LEGO sets by current market value. This list ranks 13 sets by current BrickPicker value, refreshed from live market data. Right now the top spot belongs to Black Knight's Castle at $2,999. The top 5 alone account for about 86% of the value on this list. Every entry links to its full price history and marketplace listings. Updated 2026-07-22.
Top 5 hold 86% of this list's value ($7,233).
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| Name | / piece | |||
|---|---|---|---|---|
| 1 |  Black Knight's Castle Castle · 1992 | $2,999 | +3429% | $5.10 |
| 2 |  Black Monarch's Castle Castle · 1988 | $1,956 | +2779% | $2.79 |
| 3 |  Knight's Stronghold Castle · 1990 | $497 | +2161% | $2.22 |
| 4 |  Stone Bomber Castle · 1997 | $419 | — | $19.94 |
| 5 |  Sea Serpent Castle · 1992 | $330 | +2176% | $2.62 |
| 6 |  Black Monarch's Ghost Castle · 1990 | $300 | +4038% | $6.98 |
| 7 |  Black Knights Boat Castle · 1993 | $148 | +3371% | $2.54 |
| 8 |  King's Archer Castle · 1993 | $137 | +5402% | $6.23 |
| 9 |  Dual Defender Castle · 1992 | $132 | +3681% | $2.75 |
| 10 |  Black Knight Castle · 1992 | $125 | +3746% | $5.21 |
| 11 |  King's Catapult Castle · 1993 | $103 | — | $4.67 |
| 12 |  Battering Ram Castle · 1993 | $48 | — | $1.33 |
| 13 |  Black Knights Guardshack Castle · 1992 | $40 | +1054% | $0.82 |
The 6086 Black Knight's Castle is the most valuable, worth about $2,999 on the current market.
Around $2,999 — that's the current BrickPicker value of the 6086 Black Knight's Castle, the top-ranked set on this list.
This list ranks 13 castle black knights lego sets by current market value, refreshed from live sales data.