Royal Knight's Castle #6090 — LEGO Castle Set Value
LEGO CastleWhat the Royal Knight's Castle #6090 LEGO set is worth — loose, complete, and sealed.
Royal Knight's Castle #6090 value — Loose $85 · Complete (CIB) $345 · Sealed (new) $1,990. Prices updated August 2026.
Monthly CIB value, based on sold comps.
See the actual sold listings on eBay ↗Live on eBay right now
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Price data verified against · 1
Item details
- UPC / EAN
- 5702010960903
- Brand
- LEGO
- Theme
- LEGO Castle
- Set number
- #6090
- Release date
- January 1, 1995
Royal Knight's Castle #6090 (LEGO Castle) resale value
A loose Royal Knight's Castle #6090 set runs around $85, a complete copy (all pieces + box + instructions) about $345, and a factory-sealed box commands $1990.
What drives the price
Retired sets, completeness (every piece + minifigs + instructions + box), and sealed condition drive LEGO value. Exclusive sets and discontinued themes appreciate the most; minifigs alone can carry significant value.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Loose | $85 | eBay sold comps |
| Complete (CIB) | $345 | eBay sold comps |
| Sealed (new) | $1,990 | eBay sold comps |
| Live asking — low / typical / high | $5.99 / $350 / $495 | 20 live eBay listings ↗ |
Market check: As of July 18, 2026, 20 live eBay listings ask $5.99–$495.00 (median $350.00).
Frequently asked questions
- What is the best deal for this LEGO Castle set?
- The best value depends on your needs; loose is $113, but the Complete (CIB) set is $387.
- Is the sealed version worth the high price?
- The sealed, new version is listed at $1990, reflecting its pristine, collectible condition.
- How much is the loose version of #6090?
- The loose pieces for Royal Knight's Castle #6090 are currently priced at $113.