Royal Knight's Castle #6090 — Loose vs Complete (CIB) vs Sealed (new): which is worth more?

Royal Knight's Castle #6090 value — Loose $85 vs Complete (CIB) $345. Complete (CIB) sells for 4.06× Loose (+306%). Prices updated August 2026.

Rising · +210%
ConditionSold medianvs Loose
Loose$85eBay ↗
Complete (CIB)$3454.06× · +306%eBay ↗
Sealed (new)$199023.41× · +2241%eBay ↗

Medians of real sold listings per condition, updated August 2026 how we compute values.

Loose vs Complete (CIB)
$85$345

Complete (CIB) sells for 4.06× (+306%) the Loose price — a $260 difference per set.

Complete (CIB) vs Sealed (new)
$345$1990

Sealed (new) sells for 5.77× (+477%) the Complete (CIB) price — a $1,645 difference per set.

Is complete worth it?

Complete (CIB) $345 vs Loose $85 — a $260 premium (+306%). If you're holding the box and manual, completing a loose copy pays when that premium beats what the missing pieces cost you.

See current eBay listingsSee sold Royal Knight's Castle #6090 listings ↗Full Royal Knight's Castle #6090 price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).

Royal Knight's Castle #6090: Loose vs Complete (CIB) vs Sealed (new) Prices Compared